{"id":660,"date":"2026-09-29T09:27:56","date_gmt":"2026-09-29T09:27:56","guid":{"rendered":"https:\/\/giapsgk.com\/chuyen-de\/?p=660"},"modified":"2026-09-29T17:20:26","modified_gmt":"2026-09-29T17:20:26","slug":"de-thi-thu-vat-li-12-lan-1-ky-thi-tot-nghiep-thpt-nam-2027-dap-an-loi-giai-chi-tiet","status":"publish","type":"post","link":"https:\/\/giapsgk.com\/chuyen-de\/de-thi-thu-vat-li-12-lan-1-ky-thi-tot-nghiep-thpt-nam-2027-dap-an-loi-giai-chi-tiet\/","title":{"rendered":"\u0110\u1ec1 Thi Th\u1eed V\u1eadt L\u00ed 12 L\u1ea7n 1 k\u1ef3 thi t\u1ed1t nghi\u1ec7p THPT N\u0103m 2027 \u2013 \u0110\u00e1p \u00c1n & L\u1eddi Gi\u1ea3i Chi Ti\u1ebft"},"content":{"rendered":"

\u0110\u1ec1 thi th\u1eed V\u1eadt L\u00ed 12 k\u1ef3 thi t\u1ed1t nghi\u1ec7p THPT n\u0103m 2027 l\u1ea7n 1 t\u1eadp trung v\u00e0o ki\u1ebfn th\u1ee9c tr\u1ecdng t\u00e2m Ch\u01b0\u01a1ng 1<\/strong>, gi\u00fap h\u1ecdc sinh c\u1ee7ng c\u1ed1 n\u1ec1n t\u1ea3ng v\u00e0 r\u00e8n luy\u1ec7n k\u1ef9 n\u0103ng l\u00e0m b\u00e0i. \u0110\u1ec1 thi \u0111i k\u00e8m \u0111\u00e1p \u00e1n v\u00e0 l\u1eddi gi\u1ea3i chi ti\u1ebft<\/strong>, h\u1ed7 tr\u1ee3 qu\u00e1 tr\u00ecnh t\u1ef1 \u00f4n t\u1eadp v\u00e0 \u0111\u00e1nh gi\u00e1 n\u0103ng l\u1ef1c.<\/p>\n

C\u00e2u 1:<\/strong> C\u00e1c v\u1eadt kh\u00f4ng th\u1ec3 c\u00f3 nhi\u1ec7t \u0111\u1ed9 th\u1ea5p h\u01a1n<\/p>\n

A.\u00a0 2,0K.<\/p>\n

B. 0 $^{0}$C.<\/p>\n

C. 100K<\/p>\n

D. \u2212273,15 $^{0}$C.<\/p>\n

C\u00e2u 2:<\/strong> Ch\u1ecdn c\u00e2u \u0111\u00fang.<\/p>\n

A. Khi m\u1ed9t v\u1eadt t\u1ecfa nhi\u1ec7t ra m\u00f4i tr\u01b0\u1eddng th\u00ec n\u1ed9i n\u0103ng c\u1ee7a v\u1eadt t\u0103ng l\u00ean.<\/p>\n

B. \u0110\u1ed9 bi\u1ebfn thi\u00ean n\u1ed9i n\u0103ng c\u1ee7a m\u1ed9t v\u1eadt l\u00e0 \u0111\u1ed9 bi\u1ebfn thi\u00ean nhi\u1ec7t \u0111\u1ed9 c\u1ee7a v\u1eadt \u0111\u00f3.<\/p>\n

C. N\u1ed9i n\u0103ng l\u00e0 ph\u1ea7n n\u0103ng l\u01b0\u1ee3ng v\u1eadt nh\u1eadn \u0111\u01b0\u1ee3c hay m\u1ea5t \u0111i trong qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t.<\/p>\n

D. N\u1ed9i n\u0103ng c\u1ee7a v\u1eadt ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec7t \u0111\u1ed9 v\u00e0 th\u1ec3 t\u00edch c\u1ee7a v\u1eadt.<\/p>\n

C\u00e2u 3:<\/strong> Cho hai v\u1eadt A v\u00e0 B ti\u1ebfp x\u00fac nhau. Nhi\u1ec7t ch\u1ec9 t\u1ef1 truy\u1ec1n t\u1eeb A sang B khi<\/p>\n

A. A v\u00e0 B l\u00e0 hai v\u1eadt r\u1eafn.<\/p>\n

B. nhi\u1ec7t \u0111\u1ed9 c\u1ee7a A v\u00e0 c\u1ee7a B b\u1eb1ng nhau.<\/p>\n

C. nhi\u1ec7t \u0111\u1ed9 c\u1ee7a A l\u1edbn h\u01a1n nhi\u1ec7t \u0111\u1ed9 c\u1ee7a B<\/p>\n

D. kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a A l\u1edbn h\u01a1n kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a B<\/p>\n

C\u00e2u 4:<\/strong> Ph\u00e1t bi\u1ec3u n\u00e0o d\u01b0\u1edbi \u0111\u00e2y n\u00f3i v\u1ec1 nhi\u1ec7t l\u01b0\u1ee3ng l\u00e0 kh\u00f4ng \u0111\u00fang?<\/p>\n

A. Nhi\u1ec7t l\u01b0\u1ee3ng l\u00e0 s\u1ed1 \u0111o \u0111\u1ed9 bi\u1ebfn thi\u00ean n\u1ed9i n\u0103ng c\u1ee7a v\u1eadt trong qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t.<\/p>\n

B. M\u1ed9t v\u1eadt l\u00fac n\u00e0o c\u0169ng c\u00f3 n\u1ed9i n\u0103ng, do \u0111\u00f3 l\u00fac n\u00e0o c\u0169ng c\u00f3 nhi\u1ec7t l\u01b0\u1ee3ng.<\/p>\n

C. Nhi\u1ec7t l\u01b0\u1ee3ng kh\u00f4ng ph\u1ea3i l\u00e0 n\u1ed9i n\u0103ng.<\/p>\n

D. \u0110\u01a1n v\u1ecb c\u1ee7a nhi\u1ec7t l\u01b0\u1ee3ng c\u0169ng l\u00e0 \u0111\u01a1n v\u1ecb c\u1ee7a n\u1ed9i n\u0103ng.<\/p>\n

C\u00e2u 5:<\/strong> Trong qu\u00e1 tr\u00ecnh ch\u1ea5t kh\u00ed nh\u1eadn nhi\u1ec7t l\u01b0\u1ee3ng Q v\u00e0 sinh c\u00f4ng A, n\u1ed9i n\u0103ng c\u1ee7a m\u1ed9t l\u01b0\u1ee3ng kh\u00ed bi\u1ebfn\u00a0 thi\u00ean m\u1ed9t l\u01b0\u1ee3ng U = A + Q. Khi \u0111\u00f3, A v\u00e0 Q ph\u1ea3i th\u1ecfa m\u00e3n \u0111i\u1ec1u ki\u1ec7n n\u00e0o d\u01b0\u1edbi \u0111\u00e2y?<\/p>\n

A. Q < 0 v\u00e0 A > 0.<\/p>\n

B. Q < 0 v\u00e0 A < 0.<\/p>\n

C. Q > 0 v\u00e0 A < 0.<\/p>\n

D. Q > 0 v\u00e0 A > 0.<\/p>\n

C\u00e2u 6:<\/strong> C\u00e1c h\u00ecnh d\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c \u0111\u1ed3 th\u1ecb bi\u1ec3u di\u1ec5n s\u1ef1 thay \u0111\u1ed5i th\u1ec3 t\u00edch V ph\u1ee5 thu\u1ed9c v\u00e0 nhi\u1ec7t \u0111\u1ed9\u00a0 (t$^0$C)\u00a0 trong qu\u00e1 tr\u00ecnh n\u00f3ng ch\u1ea3y c\u1ee7a ch\u00ec (H.1), c\u1ee7a n\u01b0\u1edbc \u0111\u00e1 (H.2) v\u00e0 c\u1ee7a s\u00e1p (n\u1ebfn) (H.3).<\/p>\n

\"\u0110\u1ec1<\/p>\n

a) Ch\u00ec, n\u01b0\u1edbc \u0111\u00e1 v\u00e0 s\u00e1p (n\u1ebfn) \u0111\u1ec1u c\u00f3 c\u00e1c nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y t\u01b0\u01a1ng \u1ee9ng nh\u1ea5t \u0111\u1ecbnh.<\/p>\n

b) Trong qu\u00e1 tr\u00ecnh n\u00f3ng ch\u1ea3y c\u1ee7a ch\u00ec, n\u01b0\u1edbc \u0111\u00e1 v\u00e0 s\u00e1p (n\u1ebfn) th\u1ec3 t\u00edch c\u1ee7a ch\u00fang \u0111\u1ec1u t\u0103ng t\u1ec9 l\u1ec7 thu\u1eadn\u00a0 v\u1edbi nhi\u1ec7t \u0111\u1ed9.<\/p>\n

c) Trong qu\u00e1 tr\u00ecnh n\u00f3ng ch\u1ea3y, nhi\u1ec7t \u0111\u1ed9 c\u1ee7a ch\u00ec v\u00e0 n\u01b0\u1edbc \u0111\u00e1 kh\u00f4ng thay \u0111\u1ed5i, c\u00f2n nhi\u1ec7t \u0111\u1ed9 c\u1ee7a s\u00e1p\u00a0 thay \u0111\u1ed5i li\u00ean t\u1ee5c.<\/p>\n

d) Khi n\u00f3ng ch\u1ea3y, ch\u00ec v\u00e0 s\u00e1p (n\u1ebfn) d\u00e3n n\u1edf (th\u1ec3 t\u00edch V t\u0103ng) c\u00f2n n\u01b0\u1edbc \u0111\u00e1 co l\u1ea1i (th\u1ec3 t\u00edch V gi\u1ea3m).<\/p>\n\n

T\u1ea3i file \u0111\u1ec1<\/a><\/p>\n

\n

T\u1ea3i L\u1eddi Gi\u1ea3i<\/a><\/p>\n

 <\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

\u0110\u1ec1 thi th\u1eed V\u1eadt L\u00ed 12 k\u1ef3 thi t\u1ed1t nghi\u1ec7p THPT n\u0103m 2027 l\u1ea7n 1 t\u1eadp trung v\u00e0o ki\u1ebfn th\u1ee9c tr\u1ecdng t\u00e2m Ch\u01b0\u01a1ng 1, gi\u00fap h\u1ecdc sinh c\u1ee7ng c\u1ed1 n\u1ec1n t\u1ea3ng v\u00e0 r\u00e8n luy\u1ec7n k\u1ef9 n\u0103ng l\u00e0m b\u00e0i. \u0110\u1ec1 thi \u0111i k\u00e8m \u0111\u00e1p \u00e1n v\u00e0 l\u1eddi gi\u1ea3i chi ti\u1ebft, h\u1ed7 tr\u1ee3 qu\u00e1 tr\u00ecnh t\u1ef1 \u00f4n … \u0110\u1ecdc ti\u1ebfp<\/a><\/p>\n","protected":false},"author":1,"featured_media":662,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-660","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-de-thi"],"_links":{"self":[{"href":"https:\/\/giapsgk.com\/chuyen-de\/wp-json\/wp\/v2\/posts\/660","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/giapsgk.com\/chuyen-de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/giapsgk.com\/chuyen-de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/giapsgk.com\/chuyen-de\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/giapsgk.com\/chuyen-de\/wp-json\/wp\/v2\/comments?post=660"}],"version-history":[{"count":7,"href":"https:\/\/giapsgk.com\/chuyen-de\/wp-json\/wp\/v2\/posts\/660\/revisions"}],"predecessor-version":[{"id":674,"href":"https:\/\/giapsgk.com\/chuyen-de\/wp-json\/wp\/v2\/posts\/660\/revisions\/674"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/giapsgk.com\/chuyen-de\/wp-json\/wp\/v2\/media\/662"}],"wp:attachment":[{"href":"https:\/\/giapsgk.com\/chuyen-de\/wp-json\/wp\/v2\/media?parent=660"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/giapsgk.com\/chuyen-de\/wp-json\/wp\/v2\/categories?post=660"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/giapsgk.com\/chuyen-de\/wp-json\/wp\/v2\/tags?post=660"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}