{"id":667,"date":"2026-04-22T15:23:41","date_gmt":"2026-04-22T08:23:41","guid":{"rendered":"https:\/\/www.299engineering.co.th\/?p=667"},"modified":"2026-04-24T17:32:01","modified_gmt":"2026-04-24T10:32:01","slug":"%e0%b8%81%e0%b8%8e%e0%b8%82%e0%b8%ad%e0%b8%87%e0%b9%80%e0%b8%84%e0%b8%b4%e0%b8%a3%e0%b9%8c%e0%b8%8a%e0%b8%ae%e0%b8%ad%e0%b8%9f%e0%b8%9f%e0%b9%8c-kirchhoffs-laws","status":"publish","type":"post","link":"https:\/\/www.299engineering.co.th\/?p=667","title":{"rendered":"\u0e01\u0e0e\u0e02\u0e2d\u0e07\u0e40\u0e04\u0e34\u0e23\u0e4c\u0e0a\u0e2e\u0e2d\u0e1f\u0e1f\u0e4c (Kirchhoff\u2019s Laws)"},"content":{"rendered":"\n<blockquote class=\"wp-block-quote has-ast-global-color-5-background-color has-background is-layout-flow wp-block-quote-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p style=\"font-size:16px\"><strong>\u0e40\u0e04\u0e34\u0e23\u0e4c\u0e0a\u0e2e\u0e2d\u0e1f\u0e1f\u0e4c \u0e40\u0e1b\u0e47\u0e19\u0e43\u0e04\u0e23?<\/strong><\/p>\n\n\n\n<p style=\"font-size:16px\">\u0e40\u0e1b\u0e47\u0e19\u0e19\u0e31\u0e01\u0e1f\u0e34\u0e2a\u0e34\u0e01\u0e2a\u0e4c\u0e0a\u0e32\u0e27\u0e40\u0e22\u0e2d\u0e23\u0e21\u0e31\u0e19\u0e43\u0e19\u0e28\u0e15\u0e27\u0e23\u0e23\u0e29\u0e17\u0e35\u0e48 19<br>\u0e2a\u0e34\u0e48\u0e07\u0e17\u0e35\u0e48\u0e17\u0e33\u0e43\u0e2b\u0e49\u0e0a\u0e37\u0e48\u0e2d\u0e02\u0e2d\u0e07\u0e40\u0e02\u0e32\u0e16\u0e39\u0e01\u0e1e\u0e39\u0e14\u0e16\u0e36\u0e07\u0e21\u0e32\u0e08\u0e19\u0e16\u0e36\u0e07\u0e27\u0e31\u0e19\u0e19\u0e35\u0e49\u0e04\u0e37\u0e2d<\/p>\n\n\n\n<p style=\"font-size:16px\"><strong>\u0e01\u0e0e\u0e02\u0e2d\u0e07\u0e40\u0e04\u0e34\u0e23\u0e4c\u0e0a\u0e2e\u0e2d\u0e1f\u0e1f\u0e4c (Kirchhoff\u2019s Laws)<\/strong><br>\u0e0b\u0e36\u0e48\u0e07\u0e2d\u0e18\u0e34\u0e1a\u0e32\u0e22\u0e27\u0e48\u0e32<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li style=\"font-size:16px\">\u0e01\u0e23\u0e30\u0e41\u0e2a\u0e44\u0e1f\u0e1f\u0e49\u0e32\u0e44\u0e2b\u0e25\u0e22\u0e31\u0e07\u0e44\u0e07<\/li>\n\n\n\n<li style=\"font-size:16px\">\u0e41\u0e23\u0e07\u0e14\u0e31\u0e19\u0e44\u0e1f\u0e1f\u0e49\u0e32\u0e2a\u0e21\u0e14\u0e38\u0e25\u0e22\u0e31\u0e07\u0e44\u0e07<\/li>\n<\/ul>\n\n\n\n<p style=\"font-size:16px\">\u0e1e\u0e39\u0e14\u0e07\u0e48\u0e32\u0e22 \u0e46 \u0e04\u0e37\u0e2d \u0e40\u0e02\u0e32\u0e40\u0e1b\u0e47\u0e19\u0e04\u0e19\u0e17\u0e35\u0e48 \u201c\u0e17\u0e33\u0e43\u0e2b\u0e49\u0e27\u0e07\u0e08\u0e23\u0e44\u0e1f\u0e1f\u0e49\u0e32\u0e17\u0e35\u0e48\u0e0b\u0e31\u0e1a\u0e0b\u0e49\u0e2d\u0e19\u0e2d\u0e18\u0e34\u0e1a\u0e32\u0e22\u0e44\u0e14\u0e49\u0e14\u0e49\u0e27\u0e22\u0e04\u0e13\u0e34\u0e15\u0e28\u0e32\u0e2a\u0e15\u0e23\u0e4c\u201d<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"365\" height=\"460\" src=\"https:\/\/www.299engineering.co.th\/wp-content\/uploads\/2026\/04\/Kirchoff.png\" alt=\"\" class=\"wp-image-668\" style=\"width:218px;height:auto\" srcset=\"https:\/\/www.299engineering.co.th\/wp-content\/uploads\/2026\/04\/Kirchoff.png 365w, https:\/\/www.299engineering.co.th\/wp-content\/uploads\/2026\/04\/Kirchoff-238x300.png 238w\" sizes=\"auto, (max-width: 365px) 100vw, 365px\" \/><figcaption class=\"wp-element-caption\"><strong>Kirchhoff<\/strong><\/figcaption><\/figure>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">1.\u0e01\u0e0e\u0e02\u0e2d\u0e07\u0e40\u0e04\u0e34\u0e23\u0e4c\u0e0a\u0e2e\u0e2d\u0e1f\u0e1f\u0e4c<\/h2>\n\n\n\n<p>\u0e43\u0e19\u0e42\u0e25\u0e01\u0e02\u0e2d\u0e07\u0e44\u0e1f\u0e1f\u0e49\u0e32 \u0e21\u0e35\u0e01\u0e0e\u0e2d\u0e22\u0e39\u0e48\u0e44\u0e21\u0e48\u0e01\u0e35\u0e48\u0e02\u0e49\u0e2d\u0e17\u0e35\u0e48\u0e04\u0e19\u0e17\u0e31\u0e48\u0e27\u0e44\u0e1b\u0e1e\u0e2d\u0e08\u0e30\u0e40\u0e04\u0e22\u0e44\u0e14\u0e49\u0e22\u0e34\u0e19\u0e0a\u0e37\u0e48\u0e2d <strong>\u0e01\u0e0e\u0e02\u0e2d\u0e07\u0e42\u0e2d\u0e2b\u0e4c\u0e21<\/strong> \u0e04\u0e37\u0e2d\u0e2b\u0e19\u0e36\u0e48\u0e07\u0e43\u0e19\u0e19\u0e31\u0e49\u0e19 \u0e21\u0e31\u0e19\u0e16\u0e39\u0e01\u0e1e\u0e39\u0e14\u0e16\u0e36\u0e07\u0e01\u0e31\u0e19\u0e21\u0e32\u0e01 \u0e40\u0e2b\u0e21\u0e37\u0e2d\u0e19\u0e14\u0e32\u0e23\u0e32\u0e17\u0e35\u0e48\u0e43\u0e04\u0e23 \u0e46 \u0e01\u0e47\u0e23\u0e39\u0e49\u0e08\u0e31\u0e01<\/p>\n\n\n\n<p>\u0e41\u0e15\u0e48\u0e22\u0e31\u0e07\u0e21\u0e35\u0e2d\u0e35\u0e01\u0e01\u0e0e\u0e2b\u0e19\u0e36\u0e48\u0e07 \u0e17\u0e35\u0e48\u0e44\u0e21\u0e48\u0e44\u0e14\u0e49\u0e14\u0e31\u0e07\u0e40\u0e17\u0e48\u0e32 \u0e41\u0e15\u0e48\u0e01\u0e25\u0e31\u0e1a \u201c\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e1e\u0e2d \u0e46 \u0e01\u0e31\u0e19\u201d \u0e01\u0e0e\u0e19\u0e31\u0e49\u0e19\u0e0a\u0e37\u0e48\u0e2d\u0e27\u0e48\u0e32 <strong>\u0e01\u0e0e\u0e02\u0e2d\u0e07\u0e40\u0e04\u0e34\u0e23\u0e4c\u0e0a\u0e2e\u0e2d\u0e1f\u0e1f\u0e4c<\/strong><\/p>\n\n\n\n<p>\u0e04\u0e19\u0e02\u0e49\u0e32\u0e07\u0e19\u0e2d\u0e01\u0e2d\u0e32\u0e08\u0e44\u0e21\u0e48\u0e04\u0e38\u0e49\u0e19 \u0e41\u0e15\u0e48\u0e16\u0e49\u0e32\u0e04\u0e38\u0e13\u0e04\u0e34\u0e14\u0e08\u0e30\u0e40\u0e14\u0e34\u0e19\u0e40\u0e02\u0e49\u0e32\u0e44\u0e1b\u0e43\u0e19\u0e42\u0e25\u0e01\u0e02\u0e2d\u0e07\u0e44\u0e1f\u0e1f\u0e49\u0e32\u0e08\u0e23\u0e34\u0e07 \u0e46 \u0e04\u0e38\u0e13\u0e08\u0e30\u0e40\u0e25\u0e35\u0e48\u0e22\u0e07\u0e21\u0e31\u0e19\u0e44\u0e21\u0e48\u0e44\u0e14\u0e49 \u0e21\u0e31\u0e19\u0e44\u0e21\u0e48\u0e43\u0e0a\u0e48\u0e41\u0e04\u0e48\u0e2a\u0e39\u0e15\u0e23 \u0e41\u0e15\u0e48\u0e21\u0e31\u0e19\u0e04\u0e37\u0e2d \u201c\u0e04\u0e27\u0e32\u0e21\u0e08\u0e23\u0e34\u0e07\u201d \u0e02\u0e2d\u0e07\u0e27\u0e07\u0e08\u0e23<\/p>\n\n\n\n<p>\u0e41\u0e25\u0e30\u0e15\u0e48\u0e2d\u0e08\u0e32\u0e01\u0e19\u0e35\u0e49\u0e40\u0e23\u0e32\u0e08\u0e30\u0e04\u0e48\u0e2d\u0e22 \u0e46 \u0e17\u0e33\u0e04\u0e27\u0e32\u0e21\u0e23\u0e39\u0e49\u0e08\u0e31\u0e01\u0e21\u0e31\u0e19<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1) \u0e01\u0e0e\u0e01\u0e23\u0e30\u0e41\u0e2a (KCL: Kirchhoff\u2019s Current Law)<\/h3>\n\n\n\n<p>\u0e01\u0e0e\u0e02\u0e49\u0e2d\u0e41\u0e23\u0e01\u0e02\u0e2d\u0e07\u0e40\u0e04\u0e34\u0e23\u0e4c\u0e0a\u0e2e\u0e2d\u0e1f\u0e1f\u0e4c\u0e01\u0e25\u0e48\u0e32\u0e27\u0e27\u0e48\u0e32<\/p>\n\n\n\n<pre class=\"wp-block-preformatted has-medium-font-size\"><strong>\u0e01\u0e23\u0e30\u0e41\u0e2a\u0e44\u0e1f\u0e1f\u0e49\u0e32\u0e02\u0e32\u0e40\u0e02\u0e49\u0e32 = \u0e01\u0e23\u0e30\u0e41\u0e2a\u0e44\u0e1f\u0e1f\u0e49\u0e32\u0e02\u0e32\u0e2d\u0e2d\u0e01<\/strong><\/pre>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"967\" height=\"657\" src=\"https:\/\/www.299engineering.co.th\/wp-content\/uploads\/2026\/04\/ae8bd239-2225-4af8-a34d-4429a15037ce.png\" alt=\"\" class=\"wp-image-671\" style=\"box-shadow:none;aspect-ratio:1.4719014626635873;width:564px;height:auto\" srcset=\"https:\/\/www.299engineering.co.th\/wp-content\/uploads\/2026\/04\/ae8bd239-2225-4af8-a34d-4429a15037ce.png 967w, https:\/\/www.299engineering.co.th\/wp-content\/uploads\/2026\/04\/ae8bd239-2225-4af8-a34d-4429a15037ce-300x204.png 300w, https:\/\/www.299engineering.co.th\/wp-content\/uploads\/2026\/04\/ae8bd239-2225-4af8-a34d-4429a15037ce-768x522.png 768w\" sizes=\"auto, (max-width: 967px) 100vw, 967px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u0e20\u0e32\u0e1e\u0e43\u0e19\u0e2b\u0e31\u0e27<\/h4>\n\n\n\n<p>\u0e40\u0e2b\u0e21\u0e37\u0e2d\u0e19\u0e19\u0e49\u0e33\u0e44\u0e2b\u0e25\u0e40\u0e02\u0e49\u0e32\u0e17\u0e48\u0e2d\u0e41\u0e22\u0e01<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0e40\u0e02\u0e49\u0e32\u0e21\u0e32\u0e23\u0e27\u0e21 10A \u2192 \u0e2d\u0e2d\u0e01\u0e15\u0e49\u0e2d\u0e07\u0e23\u0e27\u0e21\u0e01\u0e31\u0e19 = 10A<\/li>\n\n\n\n<li>\u0e44\u0e21\u0e48\u0e21\u0e35\u0e17\u0e32\u0e07\u0e2b\u0e32\u0e22 \u0e44\u0e21\u0e48\u0e21\u0e35\u0e17\u0e32\u0e07\u0e40\u0e1e\u0e34\u0e48\u0e21\u0e40\u0e2d\u0e07<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u0e43\u0e0a\u0e49\u0e15\u0e2d\u0e19\u0e44\u0e2b\u0e19?<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0e27\u0e07\u0e08\u0e23 \u201c\u0e41\u0e22\u0e01\u0e41\u0e02\u0e19\u0e07\u201d (Parallel)<\/li>\n\n\n\n<li>\u0e2b\u0e32 \u201c\u0e01\u0e23\u0e30\u0e41\u0e2a\u0e43\u0e19\u0e41\u0e15\u0e48\u0e25\u0e30\u0e2a\u0e32\u0e02\u0e32\u201d<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Insight \u0e2a\u0e33\u0e04\u0e31\u0e0d<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0e01\u0e23\u0e30\u0e41\u0e2a \u201c\u0e0a\u0e2d\u0e1a\u0e17\u0e32\u0e07\u0e07\u0e48\u0e32\u0e22\u201d \u2192 \u0e44\u0e2b\u0e25\u0e21\u0e32\u0e01\u0e43\u0e19 R \u0e15\u0e48\u0e33<\/li>\n\n\n\n<li>\u0e01\u0e23\u0e30\u0e41\u0e2a\u0e44\u0e2b\u0e25 = \u0e41\u0e1b\u0e23\u0e1c\u0e01\u0e1c\u0e31\u0e19\u0e01\u0e31\u0e1a R <br>( I \u0e21\u0e32\u0e01 \u2192 R \u0e19\u0e49\u0e2d\u0e22)<br>( I \u0e19\u0e49\u0e2d\u0e22 \u2192 R \u0e21\u0e32\u0e01)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2) \u0e01\u0e0e\u0e41\u0e23\u0e07\u0e14\u0e31\u0e19 (KVL: Kirchhoff\u2019s Voltage Law)<\/h3>\n\n\n\n<p>\u0e01\u0e0e\u0e02\u0e49\u0e2d\u0e41\u0e23\u0e01\u0e17\u0e35\u0e48\u0e2a\u0e2d\u0e07\u0e02\u0e2d\u0e07\u0e40\u0e04\u0e34\u0e23\u0e4c\u0e0a\u0e2e\u0e2d\u0e1f\u0e1f\u0e4c\u0e01\u0e25\u0e48\u0e32\u0e27\u0e27\u0e48\u0e32<\/p>\n\n\n\n<pre class=\"wp-block-preformatted has-medium-font-size\"><strong>\u0e1c\u0e25\u0e23\u0e27\u0e21\u0e02\u0e2d\u0e07\u0e41\u0e23\u0e07\u0e14\u0e31\u0e19\u0e44\u0e1f\u0e1f\u0e49\u0e32\u0e43\u0e19\u0e27\u0e07\u0e08\u0e23\u0e1b\u0e34\u0e14 = 0<\/strong><\/pre>\n\n\n\n<p>\u0e2b\u0e23\u0e37\u0e2d\u0e40\u0e02\u0e35\u0e22\u0e19\u0e2d\u0e35\u0e01\u0e41\u0e1a\u0e1a:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u0e41\u0e23\u0e07\u0e14\u0e31\u0e19\u0e08\u0e48\u0e32\u0e22 = \u0e41\u0e23\u0e07\u0e14\u0e31\u0e19\u0e15\u0e01\u0e04\u0e23\u0e48\u0e2d\u0e21\u0e17\u0e31\u0e49\u0e07\u0e2b\u0e21\u0e14<\/p>\n<\/blockquote>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"498\" src=\"https:\/\/www.299engineering.co.th\/wp-content\/uploads\/2026\/04\/4ff5edf0-a155-40b5-a4d0-57997aee2dcb-1024x498.png\" alt=\"\" class=\"wp-image-672\" style=\"box-shadow:none;aspect-ratio:2.0562689037265307;width:600px;height:auto\" srcset=\"https:\/\/www.299engineering.co.th\/wp-content\/uploads\/2026\/04\/4ff5edf0-a155-40b5-a4d0-57997aee2dcb-1024x498.png 1024w, https:\/\/www.299engineering.co.th\/wp-content\/uploads\/2026\/04\/4ff5edf0-a155-40b5-a4d0-57997aee2dcb-300x146.png 300w, https:\/\/www.299engineering.co.th\/wp-content\/uploads\/2026\/04\/4ff5edf0-a155-40b5-a4d0-57997aee2dcb-768x374.png 768w, https:\/\/www.299engineering.co.th\/wp-content\/uploads\/2026\/04\/4ff5edf0-a155-40b5-a4d0-57997aee2dcb.png 1173w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">E= \u0e41\u0e23\u0e07\u0e14\u0e31\u0e19\u0e02\u0e2d\u0e07\u0e41\u0e2b\u0e25\u0e48\u0e07\u0e08\u0e48\u0e32\u0e22\u0e44\u0e1f\u0e1f\u0e49\u0e32 \u0e40\u0e0a\u0e48\u0e19 \u0e41\u0e1a\u0e15\u0e40\u0e15\u0e2d\u0e23\u0e35\u0e48<\/figcaption><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u0e20\u0e32\u0e1e\u0e43\u0e19\u0e2b\u0e31\u0e27<\/h4>\n\n\n\n<p>\u0e04\u0e38\u0e13\u0e21\u0e35\u0e15\u0e31\u0e07\u0e04\u0e4c\u0e2d\u0e22\u0e39\u0e48 10 \u0e1a\u0e32\u0e17 \u0e15\u0e49\u0e2d\u0e07\u0e08\u0e48\u0e32\u0e22\u0e04\u0e48\u0e32\u0e1c\u0e48\u0e32\u0e19\u0e17\u0e32\u0e07<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0e14\u0e48\u0e32\u0e19\u0e41\u0e23\u0e01 5 \u0e1a\u0e32\u0e17<\/li>\n\n\n\n<li>\u0e14\u0e48\u0e32\u0e19\u0e2a\u0e2d\u0e07 2 \u0e1a\u0e32\u0e17<\/li>\n\n\n\n<li>\u0e14\u0e48\u0e32\u0e19\u0e2a\u0e32\u0e21 3 \u0e1a\u0e32\u0e17<\/li>\n\n\n\n<li>\u0e2a\u0e38\u0e14\u0e17\u0e49\u0e32\u0e22\u0e01\u0e25\u0e31\u0e1a\u0e08\u0e38\u0e14\u0e40\u0e14\u0e34\u0e21 \u2192 \u0e40\u0e2b\u0e25\u0e37\u0e2d\u0e28\u0e39\u0e19\u0e22\u0e4c<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u0e43\u0e0a\u0e49\u0e15\u0e2d\u0e19\u0e44\u0e2b\u0e19?<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0e27\u0e07\u0e08\u0e23 \u201c\u0e25\u0e39\u0e1b\u201d (Loop)<\/li>\n\n\n\n<li>\u0e2b\u0e32\u0e41\u0e23\u0e07\u0e14\u0e31\u0e19\u0e41\u0e15\u0e48\u0e25\u0e30\u0e08\u0e38\u0e14<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Insight \u0e2a\u0e33\u0e04\u0e31\u0e0d<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>R \u0e21\u0e32\u0e01 \u2192 \u0e41\u0e23\u0e07\u0e14\u0e31\u0e19\u0e15\u0e01\u0e04\u0e23\u0e48\u0e2d\u0e21\u0e21\u0e32\u0e01<\/li>\n\n\n\n<li>R \u0e19\u0e49\u0e2d\u0e22 \u2192 \u0e41\u0e23\u0e07\u0e14\u0e31\u0e19\u0e15\u0e01\u0e04\u0e23\u0e48\u0e2d\u0e21\u0e19\u0e49\u0e2d\u0e22<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"283\" height=\"208\" src=\"https:\/\/www.299engineering.co.th\/wp-content\/uploads\/2026\/04\/image-10.png\" alt=\"\" class=\"wp-image-678\" style=\"box-shadow:none\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"283\" height=\"208\" src=\"http:\/\/www.299engineering.co.th\/wp-content\/uploads\/2026\/04\/image-10.png\" alt=\"\" class=\"wp-image-678\" style=\"box-shadow:none\"\/><\/figure>\n\n\n\n<p><strong>\u24d8 \u0e1c\u0e25\u0e23\u0e27\u0e21\u0e41\u0e23\u0e07\u0e14\u0e31\u0e19 = 0 \u0e44\u0e14\u0e49\u0e22\u0e31\u0e07\u0e44\u0e07?<\/strong><br>\u0e08\u0e30\u0e40\u0e2b\u0e47\u0e19\u0e27\u0e48\u0e32\u0e01\u0e23\u0e30\u0e41\u0e2a\u0e44\u0e2b\u0e25\u0e44\u0e1b\u0e17\u0e32\u0e07\u0e40\u0e14\u0e35\u0e22\u0e27 \u0e08\u0e32\u0e01 (+) \u2192 (-)<br>\u0e41\u0e15\u0e48 Vs \u0e21\u0e31\u0e19\u0e44\u0e2b\u0e25\u0e01\u0e25\u0e31\u0e1a\u0e17\u0e32\u0e07 \u0e08\u0e32\u0e01 (-) \u2192 (+)<br>Vs \u0e08\u0e36\u0e07\u0e40\u0e02\u0e35\u0e22\u0e19\u0e44\u0e14\u0e49\u0e40\u0e1b\u0e47\u0e19 -Vs<\/p>\n\n\n\n<p><math data-latex=\"-Vs + V_{R1} + V_{R2} = 0\"><semantics><mrow><mo>\u2212<\/mo><mi>V<\/mi><mi>s<\/mi><mo>+<\/mo><msub><mi>V<\/mi><mrow><mi>R<\/mi><mn>1<\/mn><\/mrow><\/msub><mo>+<\/mo><msub><mi>V<\/mi><mrow><mi>R<\/mi><mn>2<\/mn><\/mrow><\/msub><mo>=<\/mo><mn>0<\/mn><\/mrow><annotation encoding=\"application\/x-tex\">-Vs + V_{R1} + V_{R2} = 0<\/annotation><\/semantics><\/math><\/p>\n\n\n\n<p class=\"has-medium-font-size\"><strong><math data-latex=\" V_{R1} + V_{R2} = V_s \"><semantics><mrow><msub><mi>V<\/mi><mrow><mi>R<\/mi><mn>1<\/mn><\/mrow><\/msub><mo>+<\/mo><msub><mi>V<\/mi><mrow><mi>R<\/mi><mn>2<\/mn><\/mrow><\/msub><mo>=<\/mo><msub><mi>V<\/mi><mi>s<\/mi><\/msub><\/mrow><annotation encoding=\"application\/x-tex\"> V_{R1} + V_{R2} = V_s <\/annotation><\/semantics><\/math><\/strong><\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">2. \u0e01\u0e32\u0e23\u0e1b\u0e23\u0e30\u0e22\u0e38\u0e01\u0e15\u0e4c\u0e43\u0e0a\u0e49\u0e01\u0e0e\u0e02\u0e2d\u0e07\u0e40\u0e04\u0e34\u0e23\u0e4c\u0e0a\u0e2e\u0e2d\u0e1f\u0e1f\u0e4c<\/h2>\n\n\n\n<p>\u0e42\u0e14\u0e22\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e01\u0e0e\u0e02\u0e2d\u0e07 Kirchhoff \u0e2d\u0e22\u0e48\u0e32\u0e07\u0e21\u0e35\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e20\u0e32\u0e1e \u0e41\u0e25\u0e30\u0e19\u0e33\u0e44\u0e1b\u0e1b\u0e23\u0e30\u0e22\u0e38\u0e01\u0e15\u0e4c\u0e43\u0e0a\u0e49\u0e01\u0e31\u0e1a\u0e01\u0e0e\u0e02\u0e2d\u0e07 Ohm \u0e2b\u0e23\u0e37\u0e2d\u0e43\u0e19\u0e17\u0e32\u0e07\u0e01\u0e25\u0e31\u0e1a\u0e01\u0e31\u0e19 \u0e42\u0e14\u0e22\u0e43\u0e0a\u0e49\u0e01\u0e23\u0e30\u0e1a\u0e27\u0e19\u0e01\u0e32\u0e23\u0e22\u0e49\u0e2d\u0e19\u0e01\u0e25\u0e31\u0e1a \u0e08\u0e30\u0e17\u0e33\u0e43\u0e2b\u0e49\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e01\u0e33\u0e2b\u0e19\u0e14\u0e04\u0e48\u0e32\u0e02\u0e2d\u0e07\u0e18\u0e32\u0e15\u0e38\u0e43\u0e14\u0e18\u0e32\u0e15\u0e38\u0e2b\u0e19\u0e36\u0e48\u0e07\u0e44\u0e14\u0e49<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1) \u0e01\u0e32\u0e23\u0e04\u0e33\u0e19\u0e27\u0e13\u0e01\u0e23\u0e30\u0e41\u0e2a\u0e27\u0e07\u0e08\u0e23\u0e22\u0e48\u0e2d\u0e22<\/h3>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"550\" src=\"https:\/\/www.299engineering.co.th\/wp-content\/uploads\/2026\/04\/740fb613-d094-45ac-9752-c4dcbce03bcb1-1024x550.png\" alt=\"\" class=\"wp-image-681\" style=\"box-shadow:none;aspect-ratio:2.1114394712804256;width:633px;height:auto\" srcset=\"https:\/\/www.299engineering.co.th\/wp-content\/uploads\/2026\/04\/740fb613-d094-45ac-9752-c4dcbce03bcb1-1024x550.png 1024w, https:\/\/www.299engineering.co.th\/wp-content\/uploads\/2026\/04\/740fb613-d094-45ac-9752-c4dcbce03bcb1-300x161.png 300w, https:\/\/www.299engineering.co.th\/wp-content\/uploads\/2026\/04\/740fb613-d094-45ac-9752-c4dcbce03bcb1-768x413.png 768w, https:\/\/www.299engineering.co.th\/wp-content\/uploads\/2026\/04\/740fb613-d094-45ac-9752-c4dcbce03bcb1.png 1163w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">E \u0e04\u0e37\u0e2d\u0e41\u0e1a\u0e15\u0e40\u0e15\u0e2d\u0e23\u0e35\u0e48 1.5V \u0e15\u0e48\u0e2d\u0e2d\u0e19\u0e38\u0e01\u0e23\u0e21\u0e01\u0e31\u0e19 10 \u0e01\u0e49\u0e2d\u0e19 \u2192 E0 = 1.5V \u00d7 10 = <strong>15V<\/strong><\/figcaption><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">1) \u0e2b\u0e32\u0e2d\u0e07\u0e04\u0e4c\u0e1b\u0e23\u0e30\u0e01\u0e2d\u0e1a\u0e1e\u0e37\u0e49\u0e19\u0e10\u0e32\u0e19<\/h4>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\" style=\"font-size:16px\">\n<ul class=\"wp-block-list\">\n<li>R \u0e23\u0e27\u0e21\u0e17\u0e31\u0e49\u0e07\u0e27\u0e07\u0e08\u0e23 = 4 + (10||15) = 4+6 = <strong>10\u03a9<\/strong><\/li>\n\n\n\n<li>\u0e01\u0e23\u0e30\u0e41\u0e2a\u0e23\u0e27\u0e21 <math data-latex=\"I_0\"><semantics><msub><mi>I<\/mi><mn>0<\/mn><\/msub><annotation encoding=\"application\/x-tex\">I_0<\/annotation><\/semantics><\/math> = <math data-latex=\"I_0 = I_1 = \\frac{V}{R} = \\frac{15V}{10\u03a9} = \"><semantics><mrow><msub><mi>I<\/mi><mn>0<\/mn><\/msub><mo>=<\/mo><msub><mi>I<\/mi><mn>1<\/mn><\/msub><mo>=<\/mo><mfrac><mi>V<\/mi><mi>R<\/mi><\/mfrac><mo>=<\/mo><mfrac><mrow><mn>15<\/mn><mi>V<\/mi><\/mrow><mrow><mn>10<\/mn><mrow><mi mathvariant=\"normal\">\u03a9<\/mi><\/mrow><\/mrow><\/mfrac><mo>=<\/mo><\/mrow><annotation encoding=\"application\/x-tex\">I_0 = I_1 = \\frac{V}{R} = \\frac{15V}{10\u03a9} = <\/annotation><\/semantics><\/math><strong>1.5A<\/strong><\/li>\n<\/ul>\n<\/blockquote>\n\n\n\n<h4 class=\"wp-block-heading has-ast-global-color-0-color has-ast-global-color-5-background-color has-text-color has-background has-link-color wp-elements-465123740aeafd3cc7daa8aa4a818dd2\" style=\"border-style:none;border-width:0px\">\u2192 Way1:  \u0e43\u0e0a\u0e49 KVL \u2192 \u0e41\u0e23\u0e07\u0e14\u0e31\u0e19\u0e08\u0e48\u0e32\u0e22 = \u0e41\u0e23\u0e07\u0e14\u0e31\u0e19\u0e15\u0e01\u0e04\u0e23\u0e48\u0e2d\u0e21\u0e17\u0e31\u0e49\u0e07\u0e2b\u0e21\u0e14<\/h4>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><math data-latex=\"E_0 = V_1 + V_2\"><semantics><mrow><msub><mi>E<\/mi><mn>0<\/mn><\/msub><mo>=<\/mo><msub><mi>V<\/mi><mn>1<\/mn><\/msub><mo>+<\/mo><msub><mi>V<\/mi><mn>2<\/mn><\/msub><\/mrow><annotation encoding=\"application\/x-tex\">E_0 = V_1 + V_2<\/annotation><\/semantics><\/math>         ;  \u0e41\u0e23\u0e07\u0e14\u0e31\u0e19\u0e04\u0e23\u0e48\u0e2d\u0e21 R1 \u2192  <math data-latex=\"V_1=I_1R_1=1.5\\times4 =6V\"><semantics><mrow><msub><mi>V<\/mi><mn>1<\/mn><\/msub><mo>=<\/mo><msub><mi>I<\/mi><mn>1<\/mn><\/msub><msub><mi>R<\/mi><mn>1<\/mn><\/msub><mo>=<\/mo><mn>1.5<\/mn><mo>\u00d7<\/mo><mn>4<\/mn><mo>=<\/mo><mn>6<\/mn><mi>V<\/mi><\/mrow><annotation encoding=\"application\/x-tex\">V_1=I_1R_1=1.5\\times4 =6V<\/annotation><\/semantics><\/math><br><br><math data-latex=\"15 = 6 + V_2 \"><semantics><mrow><mn>15<\/mn><mo>=<\/mo><mn>6<\/mn><mo>+<\/mo><msub><mi>V<\/mi><mn>2<\/mn><\/msub><\/mrow><annotation encoding=\"application\/x-tex\">15 = 6 + V_2 <\/annotation><\/semantics><\/math><br><br><math data-latex=\"15-6=V_2\"><semantics><mrow><mn>15<\/mn><mo>\u2212<\/mo><mn>6<\/mn><mo>=<\/mo><msub><mi>V<\/mi><mn>2<\/mn><\/msub><\/mrow><annotation encoding=\"application\/x-tex\">15-6=V_2<\/annotation><\/semantics><\/math>           ;  <strong><math data-latex=\"V_2=9V\"><semantics><mrow><msub><mi>V<\/mi><mn>2<\/mn><\/msub><mo>=<\/mo><mn>9<\/mn><mi>V<\/mi><\/mrow><annotation encoding=\"application\/x-tex\">V_2=9V<\/annotation><\/semantics><\/math><\/strong><br><br><strong>\u0e2b\u0e32 <math data-latex=\"I_2 , I_3\"><semantics><mrow><msub><mi>I<\/mi><mn>2<\/mn><\/msub><mo separator=\"true\">,<\/mo><msub><mi>I<\/mi><mn>3<\/mn><\/msub><\/mrow><annotation encoding=\"application\/x-tex\">I_2 , I_3<\/annotation><\/semantics><\/math> \u0e42\u0e14\u0e22\u0e43\u0e0a\u0e49\u0e01\u0e0f\u0e02\u0e2d\u0e07\u0e42\u0e2d\u0e2b\u0e4c\u0e21<\/strong><br><br><math data-latex=\"I_2=\\frac{V_2}{R2} = \\frac{9}{10} = 0.9A \"><semantics><mrow><msub><mi>I<\/mi><mn>2<\/mn><\/msub><mo>=<\/mo><mfrac><msub><mi>V<\/mi><mn>2<\/mn><\/msub><mrow><mi>R<\/mi><mn>2<\/mn><\/mrow><\/mfrac><mo>=<\/mo><mfrac><mn>9<\/mn><mn>10<\/mn><\/mfrac><mo>=<\/mo><mn>0.9<\/mn><mi>A<\/mi><\/mrow><annotation encoding=\"application\/x-tex\">I_2=\\frac{V_2}{R2} = \\frac{9}{10} = 0.9A <\/annotation><\/semantics><\/math> \u2605<br><br><math data-latex=\"I_3=\\frac{V_2}{R3} = \\frac{9}{15} = 0.6A \"><semantics><mrow><msub><mi>I<\/mi><mn>3<\/mn><\/msub><mo>=<\/mo><mfrac><msub><mi>V<\/mi><mn>2<\/mn><\/msub><mrow><mi>R<\/mi><mn>3<\/mn><\/mrow><\/mfrac><mo>=<\/mo><mfrac><mn>9<\/mn><mn>15<\/mn><\/mfrac><mo>=<\/mo><mn>0.6<\/mn><mi>A<\/mi><\/mrow><annotation encoding=\"application\/x-tex\">I_3=\\frac{V_2}{R3} = \\frac{9}{15} = 0.6A <\/annotation><\/semantics><\/math> \u2605<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"457\" height=\"259\" src=\"https:\/\/www.299engineering.co.th\/wp-content\/uploads\/2026\/04\/image-11.png\" alt=\"\" class=\"wp-image-684\" style=\"box-shadow:none;width:309px;height:auto\" srcset=\"https:\/\/www.299engineering.co.th\/wp-content\/uploads\/2026\/04\/image-11.png 457w, https:\/\/www.299engineering.co.th\/wp-content\/uploads\/2026\/04\/image-11-300x170.png 300w\" sizes=\"auto, (max-width: 457px) 100vw, 457px\" \/><\/figure>\n<\/blockquote>\n\n\n\n<h4 class=\"wp-block-heading has-ast-global-color-0-color has-ast-global-color-5-background-color has-text-color has-background has-link-color wp-elements-cc8819b4ede8229e034f43100b671aaf\" style=\"border-style:none;border-width:0px\">\u2192 Way2: \u0e43\u0e0a\u0e49 KCL \u2192 <strong>\u0e01\u0e23\u0e30\u0e41\u0e2a\u0e44\u0e1f\u0e1f\u0e49\u0e32\u0e02\u0e32\u0e40\u0e02\u0e49\u0e32 = \u0e01\u0e23\u0e30\u0e41\u0e2a\u0e44\u0e1f\u0e1f\u0e49\u0e32\u0e02\u0e32\u0e2d\u0e2d\u0e01<\/strong><\/h4>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\" style=\"font-size:16px\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"349\" height=\"138\" src=\"https:\/\/www.299engineering.co.th\/wp-content\/uploads\/2026\/04\/image-12.png\" alt=\"\" class=\"wp-image-685\" style=\"box-shadow:none\" srcset=\"https:\/\/www.299engineering.co.th\/wp-content\/uploads\/2026\/04\/image-12.png 349w, https:\/\/www.299engineering.co.th\/wp-content\/uploads\/2026\/04\/image-12-300x119.png 300w\" sizes=\"auto, (max-width: 349px) 100vw, 349px\" \/><\/figure>\n\n\n\n<p class=\"has-medium-font-size\"><math data-latex=\"I_1=I_2+I_3 = 1.5A\"><semantics><mrow><msub><mi>I<\/mi><mn>1<\/mn><\/msub><mo>=<\/mo><msub><mi>I<\/mi><mn>2<\/mn><\/msub><mo>+<\/mo><msub><mi>I<\/mi><mn>3<\/mn><\/msub><mo>=<\/mo><mn>1.5<\/mn><mi>A<\/mi><\/mrow><annotation encoding=\"application\/x-tex\">I_1=I_2+I_3 = 1.5A<\/annotation><\/semantics><\/math><br><br><math data-latex=\"I_2+I_3=1.5\"><semantics><mrow><msub><mi>I<\/mi><mn>2<\/mn><\/msub><mo>+<\/mo><msub><mi>I<\/mi><mn>3<\/mn><\/msub><mo>=<\/mo><mn>1.5<\/mn><\/mrow><annotation encoding=\"application\/x-tex\">I_2+I_3=1.5<\/annotation><\/semantics><\/math><br><br><math data-latex=\"\\frac{V_2}{R_2} + \\frac{V_2}{R_3}=1.5\"><semantics><mrow><mfrac><msub><mi>V<\/mi><mn>2<\/mn><\/msub><msub><mi>R<\/mi><mn>2<\/mn><\/msub><\/mfrac><mo>+<\/mo><mfrac><msub><mi>V<\/mi><mn>2<\/mn><\/msub><msub><mi>R<\/mi><mn>3<\/mn><\/msub><\/mfrac><mo>=<\/mo><mn>1.5<\/mn><\/mrow><annotation encoding=\"application\/x-tex\">\\frac{V_2}{R_2} + \\frac{V_2}{R_3}=1.5<\/annotation><\/semantics><\/math><br><br><math data-latex=\"V_2(\\frac{1}{R_2} + \\frac{1}{R_3})=1.5\"><semantics><mrow><msub><mi>V<\/mi><mn>2<\/mn><\/msub><mo form=\"prefix\" stretchy=\"false\">(<\/mo><mfrac><mn>1<\/mn><msub><mi>R<\/mi><mn>2<\/mn><\/msub><\/mfrac><mo>+<\/mo><mfrac><mn>1<\/mn><msub><mi>R<\/mi><mn>3<\/mn><\/msub><\/mfrac><mo form=\"postfix\" stretchy=\"false\">)<\/mo><mo>=<\/mo><mn>1.5<\/mn><\/mrow><annotation encoding=\"application\/x-tex\">V_2(\\frac{1}{R_2} + \\frac{1}{R_3})=1.5<\/annotation><\/semantics><\/math><br><br><math data-latex=\"V_2(\\frac{R_3}{R_2R_3} + \\frac{R_2}{R_3R_2})= V_2(\\frac{R_3+R_2}{R_2R_3}) = 1.5\"><semantics><mrow><msub><mi>V<\/mi><mn>2<\/mn><\/msub><mo form=\"prefix\" stretchy=\"false\">(<\/mo><mfrac><msub><mi>R<\/mi><mn>3<\/mn><\/msub><mrow><msub><mi>R<\/mi><mn>2<\/mn><\/msub><msub><mi>R<\/mi><mn>3<\/mn><\/msub><\/mrow><\/mfrac><mo>+<\/mo><mfrac><msub><mi>R<\/mi><mn>2<\/mn><\/msub><mrow><msub><mi>R<\/mi><mn>3<\/mn><\/msub><msub><mi>R<\/mi><mn>2<\/mn><\/msub><\/mrow><\/mfrac><mo form=\"postfix\" stretchy=\"false\">)<\/mo><mo>=<\/mo><msub><mi>V<\/mi><mn>2<\/mn><\/msub><mo form=\"prefix\" stretchy=\"false\">(<\/mo><mfrac><mrow><msub><mi>R<\/mi><mn>3<\/mn><\/msub><mo>+<\/mo><msub><mi>R<\/mi><mn>2<\/mn><\/msub><\/mrow><mrow><msub><mi>R<\/mi><mn>2<\/mn><\/msub><msub><mi>R<\/mi><mn>3<\/mn><\/msub><\/mrow><\/mfrac><mo form=\"postfix\" stretchy=\"false\">)<\/mo><mo>=<\/mo><mn>1.5<\/mn><\/mrow><annotation encoding=\"application\/x-tex\">V_2(\\frac{R_3}{R_2R_3} + \\frac{R_2}{R_3R_2})= V_2(\\frac{R_3+R_2}{R_2R_3}) = 1.5<\/annotation><\/semantics><\/math><br><br><math data-latex=\"V_2(\\frac{15+10}{15\\times10}) = V_2(\\frac{25}{150}) = V_2(\\frac{1}{6})= 1.5\"><semantics><mrow><msub><mi>V<\/mi><mn>2<\/mn><\/msub><mo form=\"prefix\" stretchy=\"false\">(<\/mo><mfrac><mrow><mn>15<\/mn><mo>+<\/mo><mn>10<\/mn><\/mrow><mrow><mn>15<\/mn><mo>\u00d7<\/mo><mn>10<\/mn><\/mrow><\/mfrac><mo form=\"postfix\" stretchy=\"false\">)<\/mo><mo>=<\/mo><msub><mi>V<\/mi><mn>2<\/mn><\/msub><mo form=\"prefix\" stretchy=\"false\">(<\/mo><mfrac><mn>25<\/mn><mn>150<\/mn><\/mfrac><mo form=\"postfix\" stretchy=\"false\">)<\/mo><mo>=<\/mo><msub><mi>V<\/mi><mn>2<\/mn><\/msub><mo form=\"prefix\" stretchy=\"false\">(<\/mo><mfrac><mn>1<\/mn><mn>6<\/mn><\/mfrac><mo form=\"postfix\" stretchy=\"false\">)<\/mo><mo>=<\/mo><mn>1.5<\/mn><\/mrow><annotation encoding=\"application\/x-tex\">V_2(\\frac{15+10}{15\\times10}) = V_2(\\frac{25}{150}) = V_2(\\frac{1}{6})= 1.5<\/annotation><\/semantics><\/math><br><br><math data-latex=\"V_2=1.5 \\times 6 = 9 V\"><semantics><mrow><msub><mi>V<\/mi><mn>2<\/mn><\/msub><mo>=<\/mo><mn>1.5<\/mn><mo>\u00d7<\/mo><mn>6<\/mn><mo>=<\/mo><mn>9<\/mn><mi>V<\/mi><\/mrow><annotation encoding=\"application\/x-tex\">V_2=1.5 \\times 6 = 9 V<\/annotation><\/semantics><\/math><\/p>\n<\/blockquote>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.299engineering.co.th\/wp-content\/uploads\/2026\/04\/image-13.png\" target=\"_blank\" rel=\" noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"848\" height=\"582\" src=\"https:\/\/www.299engineering.co.th\/wp-content\/uploads\/2026\/04\/image-13.png\" alt=\"\" class=\"wp-image-688\" style=\"box-shadow:none\" srcset=\"https:\/\/www.299engineering.co.th\/wp-content\/uploads\/2026\/04\/image-13.png 848w, https:\/\/www.299engineering.co.th\/wp-content\/uploads\/2026\/04\/image-13-300x206.png 300w, https:\/\/www.299engineering.co.th\/wp-content\/uploads\/2026\/04\/image-13-768x527.png 768w\" sizes=\"auto, (max-width: 848px) 100vw, 848px\" \/><\/a><\/figure>\n\n\n\n<h1 class=\"wp-block-heading\">\u0e2a\u0e23\u0e38\u0e1b\u0e41\u0e1a\u0e1a \u201c\u0e08\u0e33\u0e04\u0e23\u0e31\u0e49\u0e07\u0e40\u0e14\u0e35\u0e22\u0e27\u0e43\u0e0a\u0e49\u0e44\u0e14\u0e49\u0e15\u0e25\u0e2d\u0e14\u0e0a\u0e35\u0e27\u0e34\u0e15\u201d<\/h1>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u0e01\u0e0e<\/th><th>\u0e43\u0e0a\u0e49\u0e01\u0e31\u0e1a<\/th><th>\u0e08\u0e33\u0e07\u0e48\u0e32\u0e22<\/th><\/tr><\/thead><tbody><tr><td><strong>KCL<\/strong><\/td><td>\u0e08\u0e38\u0e14\u0e41\u0e22\u0e01<\/td><td>\u0e01\u0e23\u0e30\u0e41\u0e2a\u0e40\u0e02\u0e49\u0e32 = \u0e2d\u0e2d\u0e01<\/td><\/tr><tr><td><strong>KVL<\/strong><\/td><td>\u0e27\u0e07\u0e23\u0e2d\u0e1a<\/td><td>\u0e41\u0e23\u0e07\u0e14\u0e31\u0e19\u0e23\u0e27\u0e21 = 0<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">3. \u0e44\u0e21\u0e48\u0e40\u0e1b\u0e47\u0e19\u0e44\u0e23\u0e2b\u0e32\u0e01\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e04\u0e33\u0e19\u0e27\u0e13\u0e44\u0e14\u0e49\u0e2b\u0e25\u0e32\u0e22\u0e2d\u0e22\u0e48\u0e32\u0e07<\/h2>\n\n\n\n<p>\u0e08\u0e19\u0e16\u0e36\u0e07\u0e15\u0e2d\u0e19\u0e19\u0e35\u0e49 \u0e40\u0e23\u0e32\u0e44\u0e14\u0e49\u0e04\u0e33\u0e19\u0e27\u0e13\u0e17\u0e31\u0e49\u0e07 <strong>\u0e01\u0e23\u0e30\u0e41\u0e2a<\/strong> \u0e41\u0e25\u0e30 <strong>\u0e41\u0e23\u0e07\u0e14\u0e31\u0e19<\/strong> \u0e02\u0e2d\u0e07\u0e42\u0e2b\u0e25\u0e14\u0e41\u0e15\u0e48\u0e25\u0e30\u0e15\u0e31\u0e27 \u0e42\u0e14\u0e22\u0e43\u0e0a\u0e49\u0e01\u0e0e\u0e02\u0e49\u0e2d\u0e17\u0e35\u0e48\u0e2b\u0e19\u0e36\u0e48\u0e07\u0e41\u0e25\u0e30\u0e02\u0e49\u0e2d\u0e17\u0e35\u0e48\u0e2a\u0e2d\u0e07\u0e02\u0e2d\u0e07\u0e40\u0e04\u0e34\u0e23\u0e4c\u0e0a\u0e2e\u0e2d\u0e1f\u0e1f\u0e4c\u0e23\u0e48\u0e27\u0e21\u0e01\u0e31\u0e1a\u0e01\u0e0e\u0e02\u0e2d\u0e07\u0e42\u0e2d\u0e2b\u0e4c\u0e21 \u0e42\u0e14\u0e22\u0e2d\u0e32\u0e28\u0e31\u0e22\u0e04\u0e48\u0e32\u0e17\u0e35\u0e48\u0e23\u0e39\u0e49 \u0e40\u0e0a\u0e48\u0e19 \u0e01\u0e23\u0e30\u0e41\u0e2a\u0e23\u0e27\u0e21 \u0e2b\u0e23\u0e37\u0e2d\u0e41\u0e23\u0e07\u0e14\u0e31\u0e19\u0e44\u0e1f\u0e40\u0e25\u0e35\u0e49\u0e22\u0e07 \u0e40\u0e1b\u0e47\u0e19\u0e08\u0e38\u0e14\u0e40\u0e23\u0e34\u0e48\u0e21\u0e15\u0e49\u0e19<\/p>\n\n\n\n<p>\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e44\u0e23\u0e01\u0e47\u0e15\u0e32\u0e21 \u0e43\u0e19\u0e17\u0e32\u0e07\u0e1b\u0e0f\u0e34\u0e1a\u0e31\u0e15\u0e34 \u0e40\u0e21\u0e37\u0e48\u0e2d\u0e40\u0e23\u0e32\u0e04\u0e33\u0e19\u0e27\u0e13 <strong>\u0e01\u0e32\u0e23\u0e41\u0e1a\u0e48\u0e07\u0e01\u0e23\u0e30\u0e41\u0e2a<\/strong> \u0e2b\u0e23\u0e37\u0e2d <strong>\u0e01\u0e32\u0e23\u0e41\u0e1a\u0e48\u0e07\u0e41\u0e23\u0e07\u0e14\u0e31\u0e19<\/strong> \u0e40\u0e2a\u0e23\u0e47\u0e08\u0e41\u0e25\u0e49\u0e27<br>\u0e04\u0e48\u0e32\u0e17\u0e35\u0e48\u0e40\u0e2b\u0e25\u0e37\u0e2d\u0e21\u0e31\u0e01\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e2b\u0e32\u0e44\u0e14\u0e49\u0e15\u0e48\u0e2d\u0e40\u0e19\u0e37\u0e48\u0e2d\u0e07 \u0e42\u0e14\u0e22\u0e43\u0e0a\u0e49 <strong>\u0e01\u0e0e\u0e02\u0e2d\u0e07\u0e42\u0e2d\u0e2b\u0e4c\u0e21<\/strong> \u0e44\u0e14\u0e49\u0e17\u0e31\u0e19\u0e17\u0e35<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0e15\u0e31\u0e27\u0e2d\u0e22\u0e48\u0e32\u0e07<\/h3>\n\n\n\n<p>\u0e43\u0e19\u0e15\u0e31\u0e27\u0e2d\u0e22\u0e48\u0e32\u0e07 <strong>Way1<\/strong> \u0e40\u0e23\u0e32\u0e04\u0e33\u0e19\u0e27\u0e13\u0e41\u0e23\u0e07\u0e14\u0e31\u0e19 V\u2082 \u0e44\u0e14\u0e49\u0e01\u0e48\u0e2d\u0e19<br>\u0e08\u0e32\u0e01\u0e19\u0e31\u0e49\u0e19\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e43\u0e0a\u0e49\u0e01\u0e0e\u0e02\u0e2d\u0e07\u0e42\u0e2d\u0e2b\u0e4c\u0e21\u0e04\u0e33\u0e19\u0e27\u0e13\u0e01\u0e23\u0e30\u0e41\u0e2a I\u2082 \u0e41\u0e25\u0e30 I<sub>3<\/sub> \u0e44\u0e14\u0e49\u0e17\u0e31\u0e19\u0e17\u0e35 (\u0e41\u0e25\u0e30\u0e40\u0e19\u0e37\u0e48\u0e2d\u0e07\u0e08\u0e32\u0e01 R\u2082 \u0e01\u0e31\u0e1a R\u2083 \u0e15\u0e48\u0e2d\u0e02\u0e19\u0e32\u0e19\u0e01\u0e31\u0e19 \u0e08\u0e36\u0e07\u0e44\u0e14\u0e49\u0e27\u0e48\u0e32 V<sub>R2<\/sub> = V<sub>R3<\/sub>)<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0e41\u0e19\u0e27\u0e04\u0e34\u0e14\u0e2a\u0e33\u0e04\u0e31\u0e0d<\/h3>\n\n\n\n<p>\u0e2a\u0e34\u0e48\u0e07\u0e17\u0e35\u0e48\u0e04\u0e27\u0e23\u0e43\u0e2b\u0e49\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e33\u0e04\u0e31\u0e0d \u0e44\u0e21\u0e48\u0e43\u0e0a\u0e48\u0e40\u0e1e\u0e35\u0e22\u0e07\u0e01\u0e32\u0e23\u0e17\u0e48\u0e2d\u0e07\u0e08\u0e33\u0e2a\u0e39\u0e15\u0e23\u0e41\u0e25\u0e49\u0e27\u0e19\u0e33\u0e44\u0e1b\u0e43\u0e0a\u0e49\u0e15\u0e32\u0e21\u0e23\u0e39\u0e1b\u0e41\u0e1a\u0e1a<\/p>\n\n\n\n<p>\u0e41\u0e15\u0e48\u0e04\u0e27\u0e23\u0e40\u0e02\u0e49\u0e32\u0e43\u0e08\u0e27\u0e48\u0e32<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0e01\u0e0e\u0e41\u0e15\u0e48\u0e25\u0e30\u0e02\u0e49\u0e2d\u0e40\u0e01\u0e34\u0e14\u0e02\u0e36\u0e49\u0e19\u0e08\u0e32\u0e01\u0e2d\u0e30\u0e44\u0e23<\/li>\n\n\n\n<li>\u0e41\u0e25\u0e30\u0e2a\u0e30\u0e17\u0e49\u0e2d\u0e19\u0e1e\u0e24\u0e15\u0e34\u0e01\u0e23\u0e23\u0e21\u0e02\u0e2d\u0e07\u0e27\u0e07\u0e08\u0e23\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e44\u0e23<\/li>\n<\/ul>\n\n\n\n<p>\u0e40\u0e21\u0e37\u0e48\u0e2d\u0e40\u0e02\u0e49\u0e32\u0e43\u0e08\u0e2b\u0e25\u0e31\u0e01\u0e01\u0e32\u0e23\u0e40\u0e1a\u0e37\u0e49\u0e2d\u0e07\u0e2b\u0e25\u0e31\u0e07<br>\u0e08\u0e30\u0e0a\u0e48\u0e27\u0e22\u0e43\u0e2b\u0e49\u0e27\u0e34\u0e40\u0e04\u0e23\u0e32\u0e30\u0e2b\u0e4c\u0e27\u0e07\u0e08\u0e23\u0e44\u0e14\u0e49\u0e07\u0e48\u0e32\u0e22\u0e02\u0e36\u0e49\u0e19 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