{"id":2559,"date":"2026-04-25T02:52:09","date_gmt":"2026-04-25T02:52:09","guid":{"rendered":"https:\/\/77.buffdemo.com\/index.php\/2026\/04\/25\/tai-lieu-vat-ly-12-chuong-3-tu-truong\/"},"modified":"2026-04-25T02:52:09","modified_gmt":"2026-04-25T02:52:09","slug":"tai-lieu-vat-ly-12-chuong-3-tu-truong","status":"publish","type":"post","link":"https:\/\/77.buffdemo.com\/index.php\/2026\/04\/25\/tai-lieu-vat-ly-12-chuong-3-tu-truong\/","title":{"rendered":"T\u00e0i li\u1ec7u V\u1eadt l\u00fd 12 \u2013 Ch\u01b0\u01a1ng 3 T\u1eeb tr\u01b0\u1eddng 2026"},"content":{"rendered":"
\n

T\u00e0i li\u1ec7u \u00f4n thi chia s\u1ebb cho c\u00e1c b\u1ea1n T\u00e0i li\u1ec7u V\u1eadt l\u00fd 12 \u2013 Ch\u01b0\u01a1ng 3 T\u1eeb tr\u01b0\u1eddng update m\u1edbi nh\u1ea5t 2026 b\u00e1m s\u00e1t theo ch\u01b0\u01a1ng tr\u00ecnh m\u1edbi.<\/p>\n

\n
<\/div>\n<\/div>\n

B\u1ed9 t\u00e0i li\u1ec7u V\u1eadt l\u00fd 12 Ch\u01b0\u01a1ng T\u1eeb tr\u01b0\u1eddng n\u00e0y \u0111\u01b0\u1ee3c bi\u00ean so\u1ea1n theo chu\u1ea9n c\u1ea5u tr\u00fac ch\u01b0\u01a1ng tr\u00ecnh gi\u00e1o d\u1ee5c m\u1edbi c\u1ee7a B\u1ed9 gi\u00e1o d\u1ee5c v\u00e0 \u0111\u1ee7 d\u1ea1ng c\u00e2u h\u1ecfi theo d\u1ea1ng th\u1ee9c \u0111\u1ec1 thi m\u1edbi n\u00ean c\u00e1c b\u1ea1n c\u00f3 th\u1ec3 y\u00ean t\u00e2m \u00f4n t\u1eadp nh\u00e9.<\/p>\n

T\u00e0i li\u1ec7u V\u1eadt l\u00fd 12 \u2013 Ch\u01b0\u01a1ng 2 Kh\u00ed l\u00fd t\u01b0\u1edfng<\/a><\/strong><\/p>\n

<\/span>T\u00e0i li\u1ec7u V\u1eadt l\u00fd 12 \u2013 Ch\u01b0\u01a1ng 3 T\u1eeb tr\u01b0\u1eddng<\/span><\/h2>\n

Ch\u01b0\u01a1ng 3 \u2013 T\u1eeb tr\u01b0\u1eddng l\u00e0 m\u1ed9t trong nh\u1eefng chuy\u00ean \u0111\u1ec1 quan tr\u1ecdng nh\u1ea5t c\u1ee7a ch\u01b0\u01a1ng tr\u00ecnh V\u1eadt l\u00fd 12, cung c\u1ea5p n\u1ec1n t\u1ea3ng \u0111\u1ec3 h\u1ecdc sinh hi\u1ec3u b\u1ea3n ch\u1ea5t l\u1ef1c t\u1eeb, c\u1ea3m \u1ee9ng t\u1eeb, \u0111\u01b0\u1eddng s\u1ee9c t\u1eeb c\u0169ng nh\u01b0 c\u00e1c quy t\u1eafc b\u00e0n tay trong t\u00ednh to\u00e1n v\u00e0 ph\u00e2n t\u00edch hi\u1ec7n t\u01b0\u1ee3ng.<\/p>\n

B\u1ed9 t\u00e0i li\u1ec7u V\u1eadt l\u00fd 12 \u2013 Ch\u01b0\u01a1ng 3: T\u1eeb tr\u01b0\u1eddng (2026)<\/strong> d\u01b0\u1edbi \u0111\u00e2y \u0111\u01b0\u1ee3c t\u1ed5ng h\u1ee3p khoa h\u1ecdc, b\u00e1m s\u00e1t ch\u01b0\u01a1ng tr\u00ecnh \u0111\u1ed5i m\u1edbi, bao g\u1ed3m l\u00fd thuy\u1ebft tr\u1ecdng t\u00e2m, c\u00f4ng th\u1ee9c c\u1ea7n nh\u1edb, h\u00ecnh minh h\u1ecda tr\u1ef1c quan v\u00e0 h\u1ec7 th\u1ed1ng b\u00e0i t\u1eadp t\u1eeb c\u01a1 b\u1ea3n \u0111\u1ebfn n\u00e2ng cao.<\/p>\n

\"T\u00e0i<\/figure>\n

<\/span>C\u00e1c chuy\u00ean \u0111\u1ec1 T\u1eeb tr\u01b0\u1eddng 12<\/strong><\/span><\/h3>\n
\n\n\n\n\n\n\n\n\n\n
Chuy\u00ean \u0111\u1ec1<\/strong><\/td>\nT\u00f3m t\u1eaft n\u1ed9i dung ch\u00ednh<\/strong><\/td>\n<\/tr>\n
T\u1eeb tr\u01b0\u1eddng<\/td>\nKh\u00e1i ni\u1ec7m t\u1eeb tr\u01b0\u1eddng, nam ch\u00e2m, t\u1eeb ph\u1ed5, \u0111\u01b0\u1eddng s\u1ee9c t\u1eeb (\u0111\u01b0\u1eddng cong k\u00edn, ra B\u1eafc v\u00e0o Nam), t\u1eeb tr\u01b0\u1eddng Tr\u00e1i \u0110\u1ea5t, d\u00f2ng \u0111i\u1ec7n sinh ra t\u1eeb tr\u01b0\u1eddng (th\u00ed nghi\u1ec7m Orsted), Nhi\u1ec7t \u0111\u1ed9 Curie. K\u00e8m theo l\u00e0 c\u00e1c c\u00e2u h\u1ecfi tr\u1eafc nghi\u1ec7m luy\u1ec7n t\u1eadp.<\/td>\n<\/tr>\n
L\u1ef1c t\u1eeb v\u00e0 c\u1ea3m \u1ee9ng t\u1eeb<\/td>\nL\u1ef1c t\u1eeb t\u00e1c d\u1ee5ng l\u00ean d\u00e2y d\u1eabn mang d\u00f2ng \u0111i\u1ec7n (\"F), kh\u00e1i ni\u1ec7m v\u00e0 \u0111\u01a1n v\u1ecb c\u1ee7a c\u1ea3m \u1ee9ng t\u1eeb (Tesla), c\u00e1c quy t\u1eafc x\u00e1c \u0111\u1ecbnh h\u01b0\u1edbng l\u1ef1c t\u1eeb (quy t\u1eafc b\u00e0n tay tr\u00e1i, quy t\u1eafc tam di\u1ec7n thu\u1eadn), c\u1ea3m \u1ee9ng t\u1eeb sinh ra b\u1edfi d\u00e2y d\u1eabn th\u1eb3ng d\u00e0i, d\u00e2y d\u1eabn tr\u00f2n, v\u00e0 cu\u1ed9n d\u00e2y h\u00ecnh tr\u1ee5. K\u00e8m theo l\u00e0 b\u00e0i t\u1eadp d\u1ea1ng L\u1ef1c t\u1eeb v\u00e0 C\u1ea3m \u1ee9ng t\u1eeb.<\/td>\n<\/tr>\n
T\u1eeb th\u00f4ng v\u00e0 c\u1ea3m \u1ee9ng \u0111i\u1ec7n t\u1eeb<\/td>\nKh\u00e1i ni\u1ec7m T\u1eeb th\u00f4ng (\"\\Phi), \u0111\u01a1n v\u1ecb Weber. Hi\u1ec7n t\u01b0\u1ee3ng C\u1ea3m \u1ee9ng \u0111i\u1ec7n t\u1eeb (xu\u1ea5t hi\u1ec7n d\u00f2ng \u0111i\u1ec7n c\u1ea3m \u1ee9ng khi t\u1eeb th\u00f4ng bi\u1ebfn thi\u00ean), \u0110\u1ecbnh lu\u1eadt Lenz (ch\u1ed1ng l\u1ea1i s\u1ef1 bi\u1ebfn thi\u00ean), Su\u1ea5t \u0111i\u1ec7n \u0111\u1ed9ng c\u1ea3m \u1ee9ng (\u0110\u1ecbnh lu\u1eadt Faraday \"e_c). \u1ee8ng d\u1ee5ng: Guitar \u0111i\u1ec7n, Dynamo xe \u0111\u1ea1p. K\u00e8m theo l\u00e0 b\u00e0i t\u1eadp t\u00ednh to\u00e1n T\u1eeb th\u00f4ng v\u00e0 Su\u1ea5t \u0111i\u1ec7n \u0111\u1ed9ng c\u1ea3m \u1ee9ng.<\/td>\n<\/tr>\n
M\u00e1y ph\u00e1t \u0111i\u1ec7n xoay chi\u1ec1u<\/td>\nNguy\u00ean t\u1eafc t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u (khung d\u00e2y quay trong t\u1eeb tr\u01b0\u1eddng), bi\u1ec3u th\u1ee9c d\u00f2ng \u0111i\u1ec7n v\u00e0 \u0111i\u1ec7n \u00e1p xoay chi\u1ec1u, gi\u00e1 tr\u1ecb hi\u1ec7u d\u1ee5ng (\"I, \"U), c\u1ea5u t\u1ea1o v\u00e0 nguy\u00ean t\u1eafc ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y ph\u00e1t \u0111i\u1ec7n xoay chi\u1ec1u, \u1ee9ng d\u1ee5ng v\u00e0 quy t\u1eafc an to\u00e0n. K\u00e8m theo l\u00e0 b\u00e0i t\u1eadp x\u00e1c \u0111\u1ecbnh c\u00e1c th\u00f4ng s\u1ed1 c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u.<\/td>\n<\/tr>\n
\u1ee8ng d\u1ee5ng hi\u1ec7n t\u01b0\u1ee3ng c\u1ea3m \u1ee9ng \u0111i\u1ec7n t\u1eeb<\/td>\nC\u00e1c \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a hi\u1ec7n t\u01b0\u1ee3ng c\u1ea3m \u1ee9ng \u0111i\u1ec7n t\u1eeb: M\u00e1y bi\u1ebfn \u00e1p (truy\u1ec1n t\u1ea3i \u0111i\u1ec7n n\u0103ng), S\u1ea1c kh\u00f4ng d\u00e2y, \u0110\u00e0n guitar \u0111i\u1ec7n, B\u1ebfp t\u1eeb (d\u00f2ng \u0111i\u1ec7n Foucault), Micro, Phanh t\u1eeb. K\u00e8m theo l\u00e0 c\u00e1c b\u00e0i t\u1eadp v\u00ed d\u1ee5 li\u00ean quan \u0111\u1ebfn M\u00e1y bi\u1ebfn \u00e1p.<\/td>\n<\/tr>\n
\u0110i\u1ec7n t\u1eeb tr\u01b0\u1eddng v\u00e0 s\u00f3ng \u0111i\u1ec7n t\u1eeb<\/td>\nKh\u00e1i ni\u1ec7m \u0110i\u1ec7n t\u1eeb tr\u01b0\u1eddng (\u0111i\u1ec7n tr\u01b0\u1eddng bi\u1ebfn thi\u00ean sinh ra t\u1eeb tr\u01b0\u1eddng bi\u1ebfn thi\u00ean v\u00e0 ng\u01b0\u1ee3c l\u1ea1i), \u0110i\u1ec7n tr\u01b0\u1eddng xo\u00e1y (\u0111\u01b0\u1eddng s\u1ee9c l\u00e0 \u0111\u01b0\u1eddng cong k\u00edn). S\u00f3ng \u0111i\u1ec7n t\u1eeb (l\u00e0 s\u00f3ng ngang, truy\u1ec1n \u0111\u01b0\u1ee3c trong ch\u00e2n kh\u00f4ng v\u1edbi t\u1ed1c \u0111\u1ed9 \u00e1nh s\u00e1ng \"c\"), c\u00f4ng th\u1ee9c b\u01b0\u1edbc s\u00f3ng (\"\\lambda). K\u00e8m theo l\u00e0 b\u00e0i t\u1eadp t\u00ednh b\u01b0\u1edbc s\u00f3ng, t\u1ea7n s\u1ed1 v\u00e0 x\u00e1c \u0111\u1ecbnh h\u01b0\u1edbng c\u1ee7a c\u00e1c vector \"\\vec{E}\", \"\\vec{B}\", \"\\vec{v}\".<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n

<\/span>\u0110\u1ec1 \u00f4n t\u1eadp cu\u1ed1i ch\u01b0\u01a1ng<\/span><\/h3>\n

Ngo\u00e0i cung c\u1ea5p nh\u1eefng ki\u1ebfn th\u1ee9c v\u00e0 b\u00e0i t\u1eadp trong t\u1eadm c\u1ee7a T\u1eeb tr\u01b0\u1eddng 12, b\u1ed9 t\u00e0i li\u1ec7u c\u0169ng cung c\u1ea5p \u0111\u1ec1 ki\u1ec3m tra l\u1ea1i ki\u1ebfn th\u1ee9c to\u00e0n b\u1ed9 ch\u01b0\u01a1ng<\/p>\n

\u0110\u1ec1 ki\u1ec3m tra \u0111\u01b0\u1ee3c m\u00f4 ph\u1ecfng theo d\u1ea1ng \u0111\u1ec1 thi TN THPT v\u1edbi \u0111\u1ee7 c\u00e1c d\u1ea1ng c\u00e2u h\u1ecfi: Tr\u1eafc nghi\u1ec7m, \u0111\u00fang sai,\u2026 v\u00e0 c\u00f3 l\u1eddi gi\u1ea3i chi ti\u1ebft<\/p>\n

<\/span>T\u1ea3i t\u00e0i li\u1ec7u V\u1eadt l\u00fd 12 \u2013 Ch\u01b0\u01a1ng 3 T\u1eeb tr\u01b0\u1eddng<\/span><\/h2>\n

T\u1ea5t c\u1ea3 t\u00e0i li\u1ec7u \u0111\u00e3 \u0111\u01b0\u1ee3c t\u1ed5ng h\u1ee3p trong 1 th\u01b0 m\u1ee5c v\u00e0 chia th\u00e0nh b\u00e0i r\u00f5 r\u00e0ng, c\u00e1c b\u1ea1n c\u00f3 th\u1ec3 t\u1ea3i v\u1ec1 \u0111\u1ec1 h\u1ecdc nh\u00e9. To\u00e0n b\u1ed9 \u0111\u1ec1u c\u00f3 l\u1eddi gi\u1ea3i nh\u00e9.<\/p>\n

<\/span>Phi\u00ean b\u1ea3n m\u1edbi nh\u1ea5t 2026<\/strong><\/span><\/h3>\n

Phi\u00ean b\u1ea3n 2026 l\u00e0 b\u1ea3n m\u1edbi nh\u1ea5t c\u1ee7a t\u00e0i li\u1ec7u V\u1eadt l\u00fd 12 \u2013 Ch\u01b0\u01a1ng 3 T\u1eeb tr\u01b0\u1eddng. Phi\u00ean b\u1ea3n n\u00e0y s\u1ebd c\u1eadp nh\u1eadt b\u00e1m s\u00e1t ch\u01b0\u01a1ng tr\u00ecnh m\u1edbi h\u01a1n v\u00e0 c\u00f3 nhi\u1ec1u c\u00e2u h\u1ecfi hay tr\u00edch t\u1eeb c\u00e1c \u0111\u1ec1 thi th\u1eadt, thi th\u1eed c\u00e1c tr\u01b0\u1eddng s\u1edf to\u00e0n qu\u1ed1c.<\/p>\n

T\u1ea2I T\u00c0I LI\u1ec6U V\u1eacT L\u00dd 12 \u2013 T\u1eea TR\u01af\u1edcNG (\u0110\u1ec0 V\u00c0 \u0110\u00c1P \u00c1N)<\/a><\/strong><\/p>\n

<\/span>Phi\u00ean b\u1ea3n 2025<\/strong><\/span><\/h3>\n

Ngo\u00e0i ra c\u00e1c b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o th\u00eam phi\u00ean b\u1ea3n 2025 nh\u00e9, c\u00e1i n\u00e0y v\u1eabn theo khung ch\u01b0\u01a1ng tr\u00ecnh m\u1edbi.<\/p>\n

T\u1ea2I T\u00c0I LI\u1ec6U T\u1eea TR\u01af\u1edcNG 12 (\u0110\u1ec0 V\u00c0 \u0110\u00c1P \u00c1N)<\/a><\/strong><\/p>\n

M\u1ecdi ng\u01b0\u1eddi mu\u1ed1n \u0111\u00f3ng g\u00f3p t\u00e0i li\u1ec7u, g\u00f3p \u00fd t\u00e0i li\u1ec7u l\u1ed7i, khi\u1ebfu n\u1ea1i b\u1ea3n quy\u1ec1n c\u00f3 th\u1ec3 li\u00ean h\u1ec7 m\u00ecnh qua Fanpage H\u1eacU H\u1eccC T\u1eacP<\/a> ho\u1eb7c T\u00c0I LI\u1ec6U \u00d4N THI<\/a> nh\u00e9.<\/strong><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

T\u00e0i li\u1ec7u \u00f4n thi chia s\u1ebb cho c\u00e1c b\u1ea1n T\u00e0i li\u1ec7u V\u1eadt l\u00fd 12 \u2013 Ch\u01b0\u01a1ng 3 T\u1eeb tr\u01b0\u1eddng update m\u1edbi nh\u1ea5t 2026 b\u00e1m s\u00e1t theo ch\u01b0\u01a1ng tr\u00ecnh m\u1edbi. B\u1ed9 t\u00e0i li\u1ec7u V\u1eadt l\u00fd 12 Ch\u01b0\u01a1ng T\u1eeb tr\u01b0\u1eddng n\u00e0y \u0111\u01b0\u1ee3c bi\u00ean so\u1ea1n theo chu\u1ea9n c\u1ea5u tr\u00fac ch\u01b0\u01a1ng tr\u00ecnh gi\u00e1o d\u1ee5c m\u1edbi c\u1ee7a B\u1ed9 gi\u00e1o d\u1ee5c […]\n","protected":false},"author":1,"featured_media":2547,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38,41],"tags":[],"class_list":["post-2559","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tai-lieu-vat-ly","category-vat-ly-12"],"_links":{"self":[{"href":"https:\/\/77.buffdemo.com\/index.php\/wp-json\/wp\/v2\/posts\/2559","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/77.buffdemo.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/77.buffdemo.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/77.buffdemo.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/77.buffdemo.com\/index.php\/wp-json\/wp\/v2\/comments?post=2559"}],"version-history":[{"count":0,"href":"https:\/\/77.buffdemo.com\/index.php\/wp-json\/wp\/v2\/posts\/2559\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/77.buffdemo.com\/index.php\/wp-json\/wp\/v2\/media\/2547"}],"wp:attachment":[{"href":"https:\/\/77.buffdemo.com\/index.php\/wp-json\/wp\/v2\/media?parent=2559"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/77.buffdemo.com\/index.php\/wp-json\/wp\/v2\/categories?post=2559"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/77.buffdemo.com\/index.php\/wp-json\/wp\/v2\/tags?post=2559"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}