{"id":567262,"date":"2026-07-22T09:51:03","date_gmt":"2026-07-22T02:51:03","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=567262"},"modified":"2026-07-22T09:51:03","modified_gmt":"2026-07-22T02:51:03","slug":"dien-truong-la-gi","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/dien-truong-la-gi\/","title":{"rendered":"\u0110i\u1ec7n tr\u01b0\u1eddng l\u00e0 g\u00ec? C\u01b0\u1eddng \u0111\u1ed9 \u0111i\u1ec7n tr\u01b0\u1eddng v\u00e0 c\u00f4ng th\u1ee9c E = F\/q"},"content":{"rendered":"<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>\u0110i\u1ec7n tr\u01b0\u1eddng l\u00e0 g\u00ec?<\/strong> \u0110\u00e2y l\u00e0 m\u1ed9t d\u1ea1ng v\u1eadt ch\u1ea5t (m\u00f4i tr\u01b0\u1eddng) t\u1ed3n t\u1ea1i xung quanh \u0111i\u1ec7n t\u00edch v\u00e0 g\u1eafn li\u1ec1n v\u1edbi \u0111i\u1ec7n t\u00edch, c\u00f3 t\u00e1c d\u1ee5ng truy\u1ec1n t\u01b0\u01a1ng t\u00e1c \u0111i\u1ec7n \u2013 t\u1ee9c l\u00e0 t\u00e1c d\u1ee5ng l\u1ef1c \u0111i\u1ec7n l\u00ean c\u00e1c \u0111i\u1ec7n t\u00edch kh\u00e1c \u0111\u1eb7t trong n\u00f3. \u0110\u1ea1i l\u01b0\u1ee3ng \u0111\u1eb7c tr\u01b0ng cho \u0111i\u1ec7n tr\u01b0\u1eddng v\u1ec1 ph\u01b0\u01a1ng di\u1ec7n t\u00e1c d\u1ee5ng l\u1ef1c l\u00e0 c\u01b0\u1eddng \u0111\u1ed9 \u0111i\u1ec7n tr\u01b0\u1eddng E = F\/q. \u0110\u00e2y l\u00e0 ki\u1ebfn th\u1ee9c quan tr\u1ecdng c\u1ee7a V\u1eadt l\u00fd l\u1edbp 11. B\u00e0i vi\u1ebft n\u00e0y tr\u00ecnh b\u00e0y \u0111i\u1ec7n tr\u01b0\u1eddng l\u00e0 g\u00ec, c\u01b0\u1eddng \u0111\u1ed9 \u0111i\u1ec7n tr\u01b0\u1eddng, \u0111\u01b0\u1eddng s\u1ee9c \u0111i\u1ec7n, \u0111i\u1ec7n tr\u01b0\u1eddng \u0111\u1ec1u v\u00e0 b\u00e0i t\u1eadp c\u00f3 l\u1eddi gi\u1ea3i.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><b>\u0110i\u1ec7n tr\u01b0\u1eddng l\u00e0 g\u00ec?<\/b><\/h2>\n<p style=\"text-align: justify;\">\u0110i\u1ec7n tr\u01b0\u1eddng l\u00e0 m\u00f4i tr\u01b0\u1eddng \u0111\u1eb7c bi\u1ec7t bao quanh \u0111i\u1ec7n t\u00edch, c\u00f3 vai tr\u00f2 truy\u1ec1n l\u1ef1c t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c \u0111i\u1ec7n t\u00edch. Khi \u0111\u1eb7t m\u1ed9t \u0111i\u1ec7n t\u00edch trong \u0111i\u1ec7n tr\u01b0\u1eddng, n\u00f3 s\u1ebd ch\u1ecbu t\u00e1c d\u1ee5ng c\u1ee7a l\u1ef1c \u0111i\u1ec7n. D\u00f9 kh\u00f4ng th\u1ec3 quan s\u00e1t tr\u1ef1c ti\u1ebfp, \u0111i\u1ec7n tr\u01b0\u1eddng v\u1eabn t\u1ed3n t\u1ea1i v\u00e0 \u0111\u01b0\u1ee3c nh\u1eadn bi\u1ebft qua t\u00e1c d\u1ee5ng l\u00ean \u0111i\u1ec7n t\u00edch th\u1eed.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-568706\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/dien-truong-la-gi-1.jpg\" alt=\"dien-truong-la-gi-1\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/dien-truong-la-gi-1.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/dien-truong-la-gi-1-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/dien-truong-la-gi-1-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2 style=\"text-align: justify;\"><b>C\u01b0\u1eddng \u0111\u1ed9 \u0111i\u1ec7n tr\u01b0\u1eddng<\/b><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">C\u01b0\u1eddng \u0111\u1ed9 \u0111i\u1ec7n tr\u01b0\u1eddng l\u00e0 \u0111\u1ea1i l\u01b0\u1ee3ng \u0111\u1eb7c tr\u01b0ng cho \u0111i\u1ec7n tr\u01b0\u1eddng v\u1ec1 kh\u1ea3 n\u0103ng t\u00e1c d\u1ee5ng l\u1ef1c, \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1eb1ng th\u01b0\u01a1ng c\u1ee7a l\u1ef1c \u0111i\u1ec7n t\u00e1c d\u1ee5ng l\u00ean m\u1ed9t \u0111i\u1ec7n t\u00edch th\u1eed q v\u00e0 \u0111\u1ed9 l\u1edbn c\u1ee7a \u0111i\u1ec7n t\u00edch \u0111\u00f3: <\/span><b>E = F \/ q. <\/b><span style=\"font-weight: 400;\">Trong \u0111\u00f3:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">E: c\u01b0\u1eddng \u0111\u1ed9 \u0111i\u1ec7n tr\u01b0\u1eddng (V\/m ho\u1eb7c N\/C).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">F: l\u1ef1c \u0111i\u1ec7n t\u00e1c d\u1ee5ng l\u00ean \u0111i\u1ec7n t\u00edch th\u1eed (N).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">q: \u0111i\u1ec7n t\u00edch th\u1eed (C).<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">C\u01b0\u1eddng \u0111\u1ed9 \u0111i\u1ec7n tr\u01b0\u1eddng l\u00e0 \u0111\u1ea1i l\u01b0\u1ee3ng vect\u01a1, c\u00f3 h\u01b0\u1edbng tr\u00f9ng v\u1edbi h\u01b0\u1edbng c\u1ee7a l\u1ef1c \u0111i\u1ec7n t\u00e1c d\u1ee5ng l\u00ean \u0111i\u1ec7n t\u00edch th\u1eed d\u01b0\u01a1ng. \u0110\u1ed1i v\u1edbi \u0111i\u1ec7n tr\u01b0\u1eddng do m\u1ed9t \u0111i\u1ec7n t\u00edch \u0111i\u1ec3m Q g\u00e2y ra t\u1ea1i \u0111i\u1ec3m c\u00e1ch n\u00f3 kho\u1ea3ng r, \u0111\u1ed9 l\u1edbn E = k\u00b7|Q|\/r\u00b2 (v\u1edbi k \u2248 9\u00b710\u2079).<\/span><\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-568709\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/dien-truong-la-gi-4.jpg\" alt=\"dien-truong-la-gi-4\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/dien-truong-la-gi-4.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/dien-truong-la-gi-4-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/dien-truong-la-gi-4-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2 style=\"text-align: justify;\"><b>\u0110\u01b0\u1eddng s\u1ee9c \u0111i\u1ec7n<\/b><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>\u0110i\u1ec7n tr\u01b0\u1eddng l\u00e0 g\u00ec? <\/strong><\/span>\u0110\u01b0\u1eddng s\u1ee9c \u0111i\u1ec7n gi\u00fap bi\u1ec3u di\u1ec5n \u0111i\u1ec7n tr\u01b0\u1eddng, th\u1ec3 hi\u1ec7n ph\u01b0\u01a1ng, chi\u1ec1u v\u00e0 \u0111\u1ed9 m\u1ea1nh y\u1ebfu c\u1ee7a \u0111i\u1ec7n tr\u01b0\u1eddng. \u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a \u0111\u01b0\u1eddng s\u1ee9c \u0111i\u1ec7n:<\/p>\n<ul style=\"text-align: justify;\">\n<li>Ph\u01b0\u01a1ng c\u1ee7a \u0111\u01b0\u1eddng s\u1ee9c: Ti\u1ebfp tuy\u1ebfn t\u1ea1i m\u1ed7i \u0111i\u1ec3m tr\u00f9ng v\u1edbi ph\u01b0\u01a1ng c\u1ee7a vect\u01a1 c\u01b0\u1eddng \u0111\u1ed9 \u0111i\u1ec7n tr\u01b0\u1eddng t\u1ea1i \u0111i\u1ec3m \u0111\u00f3.<\/li>\n<li>Chi\u1ec1u c\u1ee7a \u0111\u01b0\u1eddng s\u1ee9c: \u0110i ra t\u1eeb \u0111i\u1ec7n t\u00edch d\u01b0\u01a1ng v\u00e0 \u0111i v\u00e0o \u0111i\u1ec7n t\u00edch \u00e2m; c\u00f3 th\u1ec3 k\u00e9o d\u00e0i \u0111\u1ebfn v\u00f4 c\u1ef1c.<\/li>\n<li>Kh\u00f4ng c\u1eaft nhau: C\u00e1c \u0111\u01b0\u1eddng s\u1ee9c \u0111i\u1ec7n kh\u00f4ng giao nhau v\u00ec t\u1ea1i m\u1ed7i \u0111i\u1ec3m ch\u1ec9 c\u00f3 m\u1ed9t h\u01b0\u1edbng c\u1ee7a \u0111i\u1ec7n tr\u01b0\u1eddng.<\/li>\n<li>M\u1eadt \u0111\u1ed9 \u0111\u01b0\u1eddng s\u1ee9c: \u0110\u01b0\u1eddng s\u1ee9c c\u00e0ng d\u00e0y, \u0111i\u1ec7n tr\u01b0\u1eddng c\u00e0ng m\u1ea1nh; \u0111\u01b0\u1eddng s\u1ee9c c\u00e0ng th\u01b0a, \u0111i\u1ec7n tr\u01b0\u1eddng c\u00e0ng y\u1ebfu.<\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-568707\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/dien-truong-la-gi-2.jpg\" alt=\"dien-truong-la-gi-2\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/dien-truong-la-gi-2.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/dien-truong-la-gi-2-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/dien-truong-la-gi-2-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2 style=\"text-align: justify;\"><b>\u0110i\u1ec7n tr\u01b0\u1eddng \u0111\u1ec1u<\/b><\/h2>\n<p style=\"text-align: justify;\">\u0110i\u1ec7n tr\u01b0\u1eddng \u0111\u1ec1u l\u00e0 \u0111i\u1ec7n tr\u01b0\u1eddng c\u00f3 c\u01b0\u1eddng \u0111\u1ed9 kh\u00f4ng \u0111\u1ed5i t\u1ea1i m\u1ecdi \u0111i\u1ec3m. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 nghi\u00ean c\u1ee9u hi\u1ec7n t\u01b0\u1ee3ng \u0111i\u1ec7n h\u1ecdc v\u00e0 chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a \u0111i\u1ec7n t\u00edch. <span style=\"font-weight: 400;\">\u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a \u0111i\u1ec7n tr\u01b0\u1eddng \u0111\u1ec1u:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u01b0\u1eddng \u0111\u1ed9 \u0111i\u1ec7n tr\u01b0\u1eddng kh\u00f4ng \u0111\u1ed5i: Vect\u01a1 c\u01b0\u1eddng \u0111\u1ed9 \u0111i\u1ec7n tr\u01b0\u1eddng t\u1ea1i m\u1ecdi \u0111i\u1ec3m \u0111\u1ec1u c\u00f3 c\u00f9ng ph\u01b0\u01a1ng, c\u00f9ng chi\u1ec1u v\u00e0 c\u00f9ng \u0111\u1ed9 l\u1edbn.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110\u01b0\u1eddng s\u1ee9c \u0111i\u1ec7n: L\u00e0 c\u00e1c \u0111\u01b0\u1eddng th\u1eb3ng song song, c\u00e1ch \u0111\u1ec1u nhau, c\u00f9ng h\u01b0\u1edbng t\u1eeb \u0111i\u1ec7n t\u00edch d\u01b0\u01a1ng sang \u0111i\u1ec7n t\u00edch \u00e2m.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">V\u00ed d\u1ee5: \u0110i\u1ec7n tr\u01b0\u1eddng t\u1ea1o ra gi\u1eefa hai b\u1ea3n kim lo\u1ea1i ph\u1eb3ng song song t\u00edch \u0111i\u1ec7n tr\u00e1i d\u1ea5u (b\u1ecf qua \u1ea3nh h\u01b0\u1edfng c\u1ee7a m\u00e9p b\u1ea3n) l\u00e0 v\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh c\u1ee7a \u0111i\u1ec7n tr\u01b0\u1eddng \u0111\u1ec1u.<\/span><\/li>\n<\/ul>\n<h2 style=\"text-align: justify;\"><b>B\u00e0i t\u1eadp v\u1eadn d\u1ee5ng c\u00f3 l\u1eddi gi\u1ea3i v\u1ec1 \u0111<span style=\"font-weight: 400;\"><strong>i\u1ec7n tr\u01b0\u1eddng l\u00e0 g\u00ec?<\/strong><\/span><\/b><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">B\u00e0i 1: M\u1ed9t \u0111i\u1ec7n t\u00edch th\u1eed q = 2\u00b710\u207b\u2076 C ch\u1ecbu l\u1ef1c \u0111i\u1ec7n F = 4\u00b710\u207b\u00b3 N. T\u00ednh c\u01b0\u1eddng \u0111\u1ed9 \u0111i\u1ec7n tr\u01b0\u1eddng. L\u1eddi gi\u1ea3i: E = F\/q = 4\u00b710\u207b\u00b3 \/ 2\u00b710\u207b\u2076 = 2.000 V\/m.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">B\u00e0i 2: \u0110i\u1ec7n t\u00edch \u0111i\u1ec3m Q = 10\u207b\u2078 C g\u00e2y ra \u0111i\u1ec7n tr\u01b0\u1eddng t\u1ea1i \u0111i\u1ec3m c\u00e1ch 3 cm. T\u00ednh E. L\u1eddi gi\u1ea3i: E = 9\u00b710\u2079 \u00b7 10\u207b\u2078 \/ (0,03)\u00b2 = 100.000 V\/m.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">B\u00e0i 3: T\u1ea1i m\u1ed9t \u0111i\u1ec3m c\u00f3 E = 5.000 V\/m, \u0111\u1eb7t \u0111i\u1ec7n t\u00edch q = 3\u00b710\u207b\u2076 C. T\u00ednh l\u1ef1c \u0111i\u1ec7n t\u00e1c d\u1ee5ng. L\u1eddi gi\u1ea3i: F = E\u00b7q = 5.000 \u00d7 3\u00b710\u207b\u2076 = 0,015 N.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">B\u00e0i 4 (tr\u1eafc nghi\u1ec7m): \u0110\u01a1n v\u1ecb c\u1ee7a c\u01b0\u1eddng \u0111\u1ed9 \u0111i\u1ec7n tr\u01b0\u1eddng l\u00e0 g\u00ec? A. N B. C C. V\/m D. J. \u0110\u00e1p \u00e1n: C.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-568708\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/dien-truong-la-gi-3.jpg\" alt=\"dien-truong-la-gi-3\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/dien-truong-la-gi-3.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/dien-truong-la-gi-3-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/dien-truong-la-gi-3-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2 style=\"text-align: justify;\"><b>M\u1ed1i li\u00ean h\u1ec7 gi\u1eefa \u0111i\u1ec7n tr\u01b0\u1eddng v\u00e0 l\u1ef1c \u0111i\u1ec7n<\/b><\/h2>\n<p style=\"text-align: justify;\">M\u1ed1i li\u00ean h\u1ec7 gi\u1eefa \u0111i\u1ec7n tr\u01b0\u1eddng v\u00e0 l\u1ef1c \u0111i\u1ec7n \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n qua c\u00f4ng th\u1ee9c F = E\u00b7q. \u0110i\u1ec7n t\u00edch \u0111\u1eb7t trong \u0111i\u1ec7n tr\u01b0\u1eddng s\u1ebd ch\u1ecbu t\u00e1c d\u1ee5ng c\u1ee7a l\u1ef1c \u0111i\u1ec7n. \u0110i\u1ec7n t\u00edch d\u01b0\u01a1ng ch\u1ecbu l\u1ef1c c\u00f9ng chi\u1ec1u \u0111i\u1ec7n tr\u01b0\u1eddng, c\u00f2n \u0111i\u1ec7n t\u00edch \u00e2m ch\u1ecbu l\u1ef1c ng\u01b0\u1ee3c chi\u1ec1u. Nh\u1edd \u0111\u00f3, ta c\u00f3 th\u1ec3 t\u00ednh l\u1ef1c \u0111i\u1ec7n ho\u1eb7c c\u01b0\u1eddng \u0111\u1ed9 \u0111i\u1ec7n tr\u01b0\u1eddng khi bi\u1ebft c\u00e1c \u0111\u1ea1i l\u01b0\u1ee3ng li\u00ean quan.<\/p>\n<h2 style=\"text-align: justify;\"><b>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 \u0111i\u1ec7n tr\u01b0\u1eddng<\/b><\/h2>\n<h3 style=\"text-align: justify;\"><b>\u0110i\u1ec7n tr\u01b0\u1eddng l\u00e0 g\u00ec?<\/b><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">L\u00e0 m\u00f4i tr\u01b0\u1eddng v\u1eadt ch\u1ea5t bao quanh \u0111i\u1ec7n t\u00edch, c\u00f3 t\u00e1c d\u1ee5ng truy\u1ec1n l\u1ef1c \u0111i\u1ec7n l\u00ean c\u00e1c \u0111i\u1ec7n t\u00edch kh\u00e1c.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><b>C\u01b0\u1eddng \u0111\u1ed9 \u0111i\u1ec7n tr\u01b0\u1eddng t\u00ednh th\u1ebf n\u00e0o?<\/b><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">E = F\/q, l\u00e0 th\u01b0\u01a1ng c\u1ee7a l\u1ef1c \u0111i\u1ec7n v\u00e0 \u0111i\u1ec7n t\u00edch th\u1eed; \u0111\u01a1n v\u1ecb V\/m ho\u1eb7c N\/C.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><b>\u0110\u01b0\u1eddng s\u1ee9c \u0111i\u1ec7n l\u00e0 g\u00ec?<\/b><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">L\u00e0 \u0111\u01b0\u1eddng c\u00f3 ti\u1ebfp tuy\u1ebfn t\u1ea1i m\u1ed7i \u0111i\u1ec3m tr\u00f9ng v\u1edbi ph\u01b0\u01a1ng c\u1ee7a c\u01b0\u1eddng \u0111\u1ed9 \u0111i\u1ec7n tr\u01b0\u1eddng; kh\u00f4ng c\u1eaft nhau.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><b>\u0110i\u1ec7n tr\u01b0\u1eddng \u0111\u1ec1u l\u00e0 g\u00ec?<\/b><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">L\u00e0 \u0111i\u1ec7n tr\u01b0\u1eddng c\u00f3 c\u01b0\u1eddng \u0111\u1ed9 nh\u01b0 nhau t\u1ea1i m\u1ecdi \u0111i\u1ec3m, \u0111\u01b0\u1eddng s\u1ee9c l\u00e0 c\u00e1c \u0111\u01b0\u1eddng th\u1eb3ng song song c\u00e1ch \u0111\u1ec1u.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><b>\u0110\u01a1n v\u1ecb c\u1ee7a c\u01b0\u1eddng \u0111\u1ed9 \u0111i\u1ec7n tr\u01b0\u1eddng l\u00e0 g\u00ec?<\/b><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">L\u00e0 v\u00f4n tr\u00ean m\u00e9t (V\/m), t\u01b0\u01a1ng \u0111\u01b0\u01a1ng niut\u01a1n tr\u00ean cul\u00f4ng (N\/C).<\/span><\/p>\n<h2 style=\"text-align: justify;\"><b>K\u1ebft lu\u1eadn<\/b><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>\u0110i\u1ec7n tr\u01b0\u1eddng l\u00e0 g\u00ec? <\/strong>T\u00f3m l\u1ea1i, <\/span><b>\u0111i\u1ec7n tr\u01b0\u1eddng <\/b><span style=\"font-weight: 400;\">l\u00e0 m\u00f4i tr\u01b0\u1eddng bao quanh \u0111i\u1ec7n t\u00edch, \u0111\u1eb7c tr\u01b0ng b\u1edfi c\u01b0\u1eddng \u0111\u1ed9 \u0111i\u1ec7n tr\u01b0\u1eddng E = F\/q. N\u1eafm v\u1eefng c\u01b0\u1eddng \u0111\u1ed9 \u0111i\u1ec7n tr\u01b0\u1eddng, \u0111\u01b0\u1eddng s\u1ee9c \u0111i\u1ec7n v\u00e0 \u0111i\u1ec7n tr\u01b0\u1eddng \u0111\u1ec1u s\u1ebd gi\u00fap b\u1ea1n gi\u1ea3i t\u1ed1t c\u00e1c b\u00e0i to\u00e1n \u0111i\u1ec7n h\u1ecdc. \u0110\u1ec3 h\u1ecdc th\u00eam, m\u1eddi b\u1ea1n tham kh\u1ea3o c\u00e1c b\u00e0i<\/span><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/cong-thuc-tinh-quang-duong\/\"> <span style=\"font-weight: 400;\">c\u00f4ng th\u1ee9c t\u00ednh qu\u00e3ng \u0111\u01b0\u1eddng<\/span><\/a><span style=\"font-weight: 400;\">,<\/span><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/1-nam-anh-sang-bang-bao-nhieu-km\/\"> <span style=\"font-weight: 400;\">m\u1ed9t n\u0103m \u00e1nh s\u00e1ng b\u1eb1ng bao nhi\u00eau km<\/span><\/a><span style=\"font-weight: 400;\"> v\u00e0<\/span><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/dien-tich-cac-tinh-viet-nam\/\"> <span style=\"font-weight: 400;\">di\u1ec7n t\u00edch c\u00e1c t\u1ec9nh Vi\u1ec7t Nam<\/span><\/a><span style=\"font-weight: 400;\"> tr\u00ean chuy\u00ean m\u1ee5c tin t\u1ee9c c\u1ee7a Ho\u00e0ng H\u00e0 Mobile.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><b>Xem th\u00eam:<\/b><\/p>\n<ul>\n<li style=\"text-align: justify;\">\n<p class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/chat-diem\/\">Ch\u1ea5t \u0111i\u1ec3m trong v\u1eadt l\u00fd: Kh\u00e1i ni\u1ec7m, \u0111\u1eb7c \u0111i\u1ec3m v\u00e0 vai tr\u00f2 quan tr\u1ecdng<\/a><\/p>\n<\/li>\n<li>\n<p class=\"elementor-heading-title elementor-size-default\" style=\"text-align: justify;\"><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/cong-thuc-tinh-quang-duong\/\">C\u00f4ng Th\u1ee9c T\u00ednh Qu\u00e3ng \u0110\u01b0\u1eddng: C\u00e1ch T\u00ednh To\u00e1n L\u1edbp 5 &amp; V\u1eadt L\u00fd L\u1edbp 8<\/a><\/p>\n<\/li>\n<\/ul>\n<p><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"\u0110i\u1ec7n tr\u01b0\u1eddng l\u00e0 g\u00ec?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"L\u00e0 m\u00f4i tr\u01b0\u1eddng v\u1eadt ch\u1ea5t bao quanh \u0111i\u1ec7n t\u00edch, c\u00f3 t\u00e1c d\u1ee5ng truy\u1ec1n l\u1ef1c \u0111i\u1ec7n l\u00ean c\u00e1c \u0111i\u1ec7n t\u00edch kh\u00e1c.\"}},{\"@type\":\"Question\",\"name\":\"C\u01b0\u1eddng \u0111\u1ed9 \u0111i\u1ec7n tr\u01b0\u1eddng t\u00ednh th\u1ebf n\u00e0o?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"E = F\/q, l\u00e0 th\u01b0\u01a1ng c\u1ee7a l\u1ef1c \u0111i\u1ec7n v\u00e0 \u0111i\u1ec7n t\u00edch th\u1eed; \u0111\u01a1n v\u1ecb V\/m ho\u1eb7c N\/C.\"}},{\"@type\":\"Question\",\"name\":\"\u0110\u01b0\u1eddng s\u1ee9c \u0111i\u1ec7n l\u00e0 g\u00ec?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"L\u00e0 \u0111\u01b0\u1eddng c\u00f3 ti\u1ebfp tuy\u1ebfn t\u1ea1i m\u1ed7i \u0111i\u1ec3m tr\u00f9ng v\u1edbi ph\u01b0\u01a1ng c\u1ee7a c\u01b0\u1eddng \u0111\u1ed9 \u0111i\u1ec7n tr\u01b0\u1eddng; kh\u00f4ng c\u1eaft nhau.\"}},{\"@type\":\"Question\",\"name\":\"\u0110i\u1ec7n tr\u01b0\u1eddng \u0111\u1ec1u l\u00e0 g\u00ec?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"L\u00e0 \u0111i\u1ec7n tr\u01b0\u1eddng c\u00f3 c\u01b0\u1eddng \u0111\u1ed9 nh\u01b0 nhau t\u1ea1i m\u1ecdi \u0111i\u1ec3m, \u0111\u01b0\u1eddng s\u1ee9c l\u00e0 c\u00e1c \u0111\u01b0\u1eddng th\u1eb3ng song song c\u00e1ch \u0111\u1ec1u.\"}},{\"@type\":\"Question\",\"name\":\"\u0110\u01a1n v\u1ecb c\u1ee7a c\u01b0\u1eddng \u0111\u1ed9 \u0111i\u1ec7n tr\u01b0\u1eddng l\u00e0 g\u00ec?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"L\u00e0 v\u00f4n tr\u00ean m\u00e9t (V\/m), t\u01b0\u01a1ng \u0111\u01b0\u01a1ng niut\u01a1n tr\u00ean cul\u00f4ng (N\/C).\"}}]}<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0110i\u1ec7n tr\u01b0\u1eddng l\u00e0 g\u00ec? \u0110\u00e2y l\u00e0 m\u1ed9t d\u1ea1ng v\u1eadt ch\u1ea5t (m\u00f4i tr\u01b0\u1eddng) t\u1ed3n t\u1ea1i xung quanh \u0111i\u1ec7n t\u00edch v\u00e0 g\u1eafn li\u1ec1n v\u1edbi \u0111i\u1ec7n t\u00edch, c\u00f3 t\u00e1c d\u1ee5ng truy\u1ec1n t\u01b0\u01a1ng t\u00e1c \u0111i\u1ec7n \u2013 t\u1ee9c l\u00e0 t\u00e1c d\u1ee5ng l\u1ef1c \u0111i\u1ec7n l\u00ean c\u00e1c \u0111i\u1ec7n t\u00edch kh\u00e1c \u0111\u1eb7t trong n\u00f3. \u0110\u1ea1i l\u01b0\u1ee3ng \u0111\u1eb7c tr\u01b0ng cho \u0111i\u1ec7n tr\u01b0\u1eddng v\u1ec1 ph\u01b0\u01a1ng [&hellip;]<\/p>\n","protected":false},"author":84,"featured_media":568705,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"\u0111i\u1ec7n tr\u01b0\u1eddng","_yoast_wpseo_title":"\u0110i\u1ec7n tr\u01b0\u1eddng l\u00e0 g\u00ec? C\u01b0\u1eddng \u0111\u1ed9 v\u00e0 c\u00f4ng th\u1ee9c E = F\/q","_yoast_wpseo_metadesc":"\u0110i\u1ec7n tr\u01b0\u1eddng l\u00e0 g\u00ec? \u0110\u00e2y l\u00e0 m\u00f4i tr\u01b0\u1eddng v\u1eadt ch\u1ea5t bao quanh \u0111i\u1ec7n t\u00edch, c\u00f3 t\u00e1c d\u1ee5ng truy\u1ec1n l\u1ef1c \u0111i\u1ec7n; \u0111\u1eb7c tr\u01b0ng b\u1edfi c\u01b0\u1eddng \u0111\u1ed9 E = F\/q, \u0111\u01a1n v\u1ecb V\/m ho\u1eb7c N\/C.","footnotes":""},"categories":[29235,3910,30453],"tags":[],"class_list":["post-567262","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-goc-to-mo","category-kham-pha","category-kien-thuc"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>\u0110i\u1ec7n tr\u01b0\u1eddng l\u00e0 g\u00ec? C\u01b0\u1eddng \u0111\u1ed9 v\u00e0 c\u00f4ng th\u1ee9c E = F\/q<\/title>\n<meta name=\"description\" content=\"\u0110i\u1ec7n tr\u01b0\u1eddng l\u00e0 g\u00ec? \u0110\u00e2y l\u00e0 m\u00f4i tr\u01b0\u1eddng v\u1eadt ch\u1ea5t bao quanh \u0111i\u1ec7n t\u00edch, c\u00f3 t\u00e1c d\u1ee5ng truy\u1ec1n l\u1ef1c \u0111i\u1ec7n; \u0111\u1eb7c tr\u01b0ng b\u1edfi c\u01b0\u1eddng \u0111\u1ed9 E = F\/q, \u0111\u01a1n v\u1ecb V\/m ho\u1eb7c N\/C.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hoanghamobile.com\/tin-tuc\/dien-truong-la-gi\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u0110i\u1ec7n tr\u01b0\u1eddng l\u00e0 g\u00ec? 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