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{"segment":[{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":"Trong m\u00e1y ph\u00e1t \u0111i\u1ec7n gi\u00f3, d\u1ea1ng n\u0103ng l\u01b0\u1ee3ng n\u00e0o \u0111\u00e3 \u0111\u01b0\u1ee3c chuy\u1ec3n h\u00f3a th\u00e0nh \u0111i\u1ec7n n\u0103ng? ","select":["A. C\u01a1 n\u0103ng","B. Nhi\u1ec7t n\u0103ng","C. H\u00f3a n\u0103ng","D. Quang n\u0103ng"],"hint":"","explain":"<span class='basic_left'>C\u01a1 n\u0103ng \u0111\u00e3 \u0111\u01b0\u1ee3c chuy\u1ec3n h\u00f3a th\u00e0nh \u0111i\u1ec7n n\u0103ng<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":2}]}],"id_ques":3791},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"\u0110i\u1ec3m n\u00e0o sau \u0111\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 \u01b0u \u0111i\u1ec3m c\u1ee7a \u0111i\u1ec7n gi\u00f3? ","select":["A. Kh\u00f4ng g\u00e2y \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng.","B. Kh\u00f4ng t\u1ed1n nhi\u00ean li\u1ec7u.","C. Thi\u1ebft b\u1ecb g\u1ecdn nh\u1eb9.","D. C\u00f3 c\u00f4ng su\u1ea5t r\u1ea5t l\u1edbn."],"hint":"","explain":"<span class='basic_left'>Thi\u1ebft b\u1ecb g\u1ecdn nh\u1eb9 kh\u00f4ng ph\u1ea3i l\u00e0 \u01b0u \u0111i\u1ec3m c\u1ee7a \u0111i\u1ec7n gi\u00f3<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":3792},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":"Qu\u00e1 tr\u00ecnh chuy\u1ec3n h\u00f3a n\u0103ng l\u01b0\u1ee3ng trong nh\u00e0 m\u00e1y \u0111i\u1ec7n h\u1ea1t nh\u00e2n l\u00e0:","select":["A. n\u0103ng l\u01b0\u1ee3ng h\u1ea1t nh\u00e2n \u2013 c\u01a1 n\u0103ng \u2013 \u0111i\u1ec7n n\u0103ng.","B. n\u0103ng l\u01b0\u1ee3ng h\u1ea1t nh\u00e2n \u2013 c\u01a1 n\u0103ng \u2013 nhi\u1ec7t n\u0103ng \u2013 \u0111i\u1ec7n n\u0103ng.","C. n\u0103ng l\u01b0\u1ee3ng h\u1ea1t nh\u00e2n \u2013 th\u1ebf n\u0103ng \u2013 \u0111i\u1ec7n n\u0103ng.","D. n\u0103ng l\u01b0\u1ee3ng h\u1ea1t nh\u00e2n \u2013 nhi\u1ec7t n\u0103ng \u2013 c\u01a1 n\u0103ng \u2013 \u0111i\u1ec7n n\u0103ng."],"hint":"","explain":"<span class='basic_left'>Qu\u00e1 tr\u00ecnh chuy\u1ec3n h\u00f3a n\u0103ng l\u01b0\u1ee3ng trong nh\u00e0 m\u00e1y \u0111i\u1ec7n h\u1ea1t nh\u00e2n l\u00e0 n\u0103ng l\u01b0\u1ee3ng h\u1ea1t nh\u00e2n \u2013 nhi\u1ec7t n\u0103ng \u2013 c\u01a1 n\u0103ng \u2013 \u0111i\u1ec7n n\u0103ng<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":1}]}],"id_ques":3793},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":"Qu\u00e1 tr\u00ecnh chuy\u1ec3n h\u00f3a n\u0103ng l\u01b0\u1ee3ng trong nh\u00e0 m\u00e1y \u0111i\u1ec7n gi\u00f3 l\u00e0: ","select":["A. n\u0103ng l\u01b0\u1ee3ng gi\u00f3 \u2013 c\u01a1 n\u0103ng \u2013 \u0111i\u1ec7n n\u0103ng.","B. n\u0103ng l\u01b0\u1ee3ng gi\u00f3 \u2013 nhi\u1ec7t n\u0103ng \u2013 c\u01a1 n\u0103ng \u2013 \u0111i\u1ec7n n\u0103ng.","C. n\u0103ng l\u01b0\u1ee3ng gi\u00f3 \u2013 h\u00f3a n\u0103ng - c\u01a1 n\u0103ng \u2013 \u0111i\u1ec7n n\u0103ng.","D. n\u0103ng l\u01b0\u1ee3ng gi\u00f3 \u2013 quang n\u0103ng \u2013 \u0111i\u1ec7n n\u0103ng"],"hint":"","explain":"<span class='basic_left'>Qu\u00e1 tr\u00ecnh chuy\u1ec3n h\u00f3a n\u0103ng l\u01b0\u1ee3ng trong nh\u00e0 m\u00e1y \u0111i\u1ec7n gi\u00f3 l\u00e0 n\u0103ng l\u01b0\u1ee3ng gi\u00f3 \u2013 c\u01a1 n\u0103ng \u2013 \u0111i\u1ec7n n\u0103ng<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":1}]}],"id_ques":3794},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":"Ngu\u1ed3n ph\u00e1t \u0111i\u1ec7n g\u00e2y \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng nhi\u1ec1u nh\u1ea5t l\u00e0: ","select":["A. nh\u00e0 m\u00e1y ph\u00e1t \u0111i\u1ec7n gi\u00f3","B. pin m\u1eb7t tr\u1eddi","C. nh\u00e0 m\u00e1y th\u1ee7y \u0111i\u1ec7n","D. nh\u00e0 m\u00e1y nhi\u1ec7t \u0111i\u1ec7n"],"hint":"","explain":"<span class='basic_left'>Ngu\u1ed3n ph\u00e1t \u0111i\u1ec7n g\u00e2y \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng nhi\u1ec1u nh\u1ea5t l\u00e0 nh\u00e0 m\u00e1y nhi\u1ec7t \u0111i\u1ec7n<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":2}]}],"id_ques":3795},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":"Trong c\u00e1c nh\u00e0 m\u00e1y ph\u00e1t \u0111i\u1ec7n, nh\u00e0 m\u00e1y ph\u00e1t \u0111i\u1ec7n n\u00e0o c\u00f3 c\u00f4ng su\u1ea5t ph\u00e1t \u0111i\u1ec7n kh\u00f4ng \u1ed5n \u0111\u1ecbnh nh\u1ea5t? ","select":["A. Nh\u00e0 m\u00e1y nhi\u1ec7t \u0111i\u1ec7n \u0111\u1ed1t than","B. Nh\u00e0 m\u00e1y \u0111i\u1ec7n gi\u00f3","C. Nh\u00e0 m\u00e1y \u0111i\u1ec7n nguy\u00ean t\u1eed","D. Nh\u00e0 m\u00e1y th\u1ee7y \u0111i\u1ec7n"],"hint":"","explain":"<span class='basic_left'>Trong c\u00e1c nh\u00e0 m\u00e1y ph\u00e1t \u0111i\u1ec7n, nh\u00e0 m\u00e1y th\u1ee7y \u0111i\u1ec7n c\u00f3 c\u00f4ng su\u1ea5t ph\u00e1t \u0111i\u1ec7n kh\u00f4ng \u1ed5n \u0111\u1ecbnh nh\u1ea5t<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":2}]}],"id_ques":3796},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":"Trong pin m\u1eb7t tr\u1eddi c\u00f3 s\u1ef1 chuy\u1ec3n h\u00f3a: ","select":["A. Quang n\u0103ng th\u00e0nh \u0111i\u1ec7n n\u0103ng.","B. Nhi\u1ec7t n\u0103ng th\u00e0nh \u0111i\u1ec7n n\u0103ng.","C. Quang n\u0103ng th\u00e0nh nhi\u1ec7t n\u0103ng.","D. Nhi\u1ec7t n\u0103ng th\u00e0nh c\u01a1 n\u0103ng."],"hint":"","explain":"<span class='basic_left'>Trong pin m\u1eb7t tr\u1eddi c\u00f3 s\u1ef1 chuy\u1ec3n h\u00f3a quang n\u0103ng th\u00e0nh \u0111i\u1ec7n n\u0103ng<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":2}]}],"id_ques":3797},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":" D\u00f2ng \u0111i\u1ec7n do pin M\u1eb7t Tr\u1eddi cung c\u1ea5p c\u00f3 g\u00ec kh\u00e1c v\u1edbi d\u00f2ng \u0111i\u1ec7n do m\u00e1y ph\u00e1t \u0111i\u1ec7n gi\u00f3 cung c\u1ea5p? ","select":["A. Pin M\u1eb7t Tr\u1eddi c\u00f3 c\u00f4ng su\u1ea5t l\u1edbn h\u01a1n m\u00e1y ph\u00e1t \u0111i\u1ec7n gi\u00f3.","B. D\u00f2ng \u0111i\u1ec7n do pin M\u1eb7t Tr\u1eddi cung c\u1ea5p l\u00e0 d\u00f2ng m\u1ed9t chi\u1ec1u, c\u00f2n do m\u00e1y ph\u00e1t \u0111i\u1ec7n gi\u00f3 cung c\u1ea5p l\u00e0 d\u00f2ng xoay chi\u1ec1u.","C. Pin M\u1eb7t Tr\u1eddi do d\u00f2ng \u0111i\u1ec7n li\u00ean t\u1ee5c, c\u00f2n m\u00e1t ph\u00e1t \u0111i\u1ec7n gi\u00f3 cho d\u00f2ng \u0111i\u1ec7n \u0111\u1ee9t qu\u00e3ng.","D. D\u00f2ng \u0111i\u1ec7n do pin M\u1eb7t Tr\u1eddi cung c\u1ea5p l\u00e0 d\u00f2ng xoay chi\u1ec1u, c\u00f2n do m\u00e1y ph\u00e1t \u0111i\u1ec7n gi\u00f3 cung c\u1ea5p l\u00e0 d\u00f2ng m\u1ed9t chi\u1ec1u bi\u1ebfn \u0111\u1ed5i."],"hint":"","explain":"<span class='basic_left'>D\u00f2ng \u0111i\u1ec7n do pin M\u1eb7t Tr\u1eddi cung c\u1ea5p l\u00e0 d\u00f2ng m\u1ed9t chi\u1ec1u, c\u00f2n do m\u00e1y ph\u00e1t \u0111i\u1ec7n gi\u00f3 l\u00e0 xoay chi\u1ec1u. <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":1}]}],"id_ques":3798},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":"\u00c1nh s\u00e1ng M\u1eb7t Tr\u1eddi mang \u0111\u1ebfn cho m\u1ed7i m\u00e9t vu\u00f4ng m\u1eb7t \u0111\u1ea5t m\u1ed9t c\u00f4ng su\u1ea5t 1,4 kW. Hi\u1ec7u su\u1ea5t c\u1ee7a pin M\u1eb7t Tr\u1eddi l\u00e0 10%. H\u00e3y t\u00ednh xem c\u1ea7n ph\u1ea3i l\u00e0m c\u00e1c t\u1ea5m pin M\u1eb7t Tr\u1eddi c\u00f3 di\u1ec7n t\u00edch t\u1ed5ng c\u1ed9ng l\u00e0 bao nhi\u00eau \u0111\u1ec3 cung c\u1ea5p \u0111i\u1ec7n cho m\u1ed9t tr\u01b0\u1eddng h\u1ecdc s\u1eed d\u1ee5ng 20 b\u00f3ng \u0111\u00e8n 100W v\u00e0 10 qu\u1ea1t \u0111i\u1ec7n 75W. ","select":["A. 0,196 ${{m}^{2}}$","B. 19,6 ${{m}^{2}}$","C. 29,6 ${{m}^{2}}$","D. 9,6 ${{m}^{2}}$"],"hint":"","explain":"<span class='basic_left'>C\u00f4ng su\u1ea5t s\u1eed d\u1ee5ng t\u1ed5ng c\u1ed9ng c\u1ee7a tr\u01b0\u1eddng h\u1ecdc l\u00e0:$20\\times 100+10\\times 75=2750W$ <br\/> V\u00ec hi\u1ec7u su\u1ea5t c\u1ee7a t\u1ea5m pin M\u1eb7t Tr\u1eddi l\u00e0 10 % n\u00ean c\u00f4ng su\u1ea5t c\u1ee7a \u00e1nh s\u00e1ng M\u1eb7t Tr\u1eddi c\u1ea7n cung c\u1ea5p cho pin M\u1eb7t Tr\u1eddi l\u00e0 : $2750\\times 10=27500W$ <br\/>Di\u1ec7n t\u00edch t\u1ea5m pin M\u1eb7t Tr\u1eddi c\u1ea7n s\u1eed d\u1ee5ng l\u00e0: $\\dfrac{27500}{1400}=19,6{{m}^{2}}$<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":2}]}],"id_ques":3799},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":"Nh\u1eefng ng\u00e0y tr\u1eddi n\u0103ng kh\u00f4ng c\u00f3 m\u00e2y, b\u1ec1 m\u1eb7t c\u00f3 di\u1ec7n t\u00edch 1${{m}^{2}}$ c\u1ee7a t\u1ea5m pin M\u1eb7t Tr\u1eddi \u0111\u1ec3 ngo\u00e0i n\u1eafng nh\u1eadn \u0111\u01b0\u1ee3c m\u1ed9t n\u0103ng l\u01b0\u1ee3ng M\u1eb7t Tr\u1eddi 1400J trong 1s. H\u1ecfi c\u1ea7n ph\u1ee7 l\u00ean m\u00e1i nh\u00e0 m\u1ed9t t\u1ea5m pin M\u1eb7t Tr\u1eddi c\u00f3 di\u1ec7n t\u00edch t\u1ed1i thi\u1ec3u l\u00e0 bao nhi\u00eau \u0111\u1ec3 c\u00f3 \u0111\u1ee7 \u0111i\u1ec7n th\u1eafp s\u00e1ng hai b\u00f3ng \u0111\u00e8n c\u00f3 c\u00f4ng su\u1ea5t 100W, m\u1ed9t tivi c\u00f3 c\u00f4ng su\u1ea5t 175W. Bi\u1ebft r\u1eb1ng hi\u1ec7u su\u1ea5t c\u1ee7a pin M\u1eb7t Tr\u1eddi l\u00e0 10%. ","select":["A. 2,68 ${{m}^{2}}$","B. 0,268 ${{m}^{2}}$","C. 26,8 ${{m}^{2}}$","D. 6,8 ${{m}^{2}}$"],"hint":"","explain":"<span class='basic_left'>C\u00f4ng su\u1ea5t ti\u00eau th\u1ee5:$2\\times 100+175=375W$ <br\/>C\u00f4ng su\u1ea5t \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi c\u1ea7n thi\u1ebft cung c\u1ea5p cho pin m\u1eb7t tr\u1eddi:$375\\times 10=3750W$ <br\/>Di\u1ec7n t\u00edch t\u1ea5m pin m\u1eb7t tr\u1eddi c\u1ea7n thi\u1ebft : $\\dfrac{3750}{1400}=2,68{{m}^{2}}$<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":2}]}],"id_ques":3800},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":" N\u0103ng l\u01b0\u1ee3ng trong nh\u00e0 m\u00e1y \u0111i\u1ec7n h\u1ea1t nh\u00e2n \u0111\u01b0\u1ee3c bi\u1ebfn \u0111\u1ed5i nh\u01b0 th\u1ebf n\u00e0o?","select":["A. N\u0103ng l\u01b0\u1ee3ng h\u1ea1t nh\u00e2n th\u00e0nh quang n\u0103ng, r\u1ed3i th\u00e0nh \u0111i\u1ec7n n\u0103ng.","B. C\u1ea3 3 ph\u01b0\u01a1ng \u00e1n c\u00f2n l\u1ea1i \u0111\u1ec1u sai.","C. N\u0103ng l\u01b0\u1ee3ng h\u1ea1t nh\u00e2n th\u00e0nh nhi\u1ec7t n\u0103ng, r\u1ed3i th\u00e0nh \u0111i\u1ec7n n\u0103ng.","D. N\u0103ng l\u01b0\u1ee3ng h\u1ea1t nh\u00e2n th\u00e0nh h\u00f3a n\u0103ng, r\u1ed3i th\u00e0nh \u0111i\u1ec7n n\u0103ng."],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":1}]}],"id_ques":3801},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":"M\u1ed9t t\u1ea5m pin m\u1eb7t tr\u1eddi c\u00f3 di\u1ec7n t\u00edch 1${{m}^{2}}$\u0111\u1ec3 ngo\u00e0i n\u1eafng, nh\u1eadn \u0111\u01b0\u1ee3c m\u1ed9t c\u00f4ng su\u1ea5t 0,62kW t\u1eeb \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi mang \u0111\u1ebfn. Hi\u1ec7u su\u1ea5t c\u1ee7a pin m\u1eb7t tr\u1eddi l\u00e0 10%. H\u1ecfi ph\u1ea3i l\u00e0m c\u00e1c t\u1ea5m pin m\u1eb7t tr\u1eddi c\u00f3 t\u1ed5ng di\u1ec7n t\u00edch l\u00e0 bao nhi\u00eau \u0111\u1ec3 cung c\u1ea5p \u0111i\u1ec7n cho 4 ph\u00f2ng h\u1ecdc s\u1eed d\u1ee5ng b\u00f3ng \u0111\u00e8n 40W v\u00e0 b\u1ed1n qu\u1ea1t \u0111i\u1ec7n 75W? ","select":["A. 8 ${{m}^{2}}$","B. 9 ${{m}^{2}}$","C. 11 ${{m}^{2}}$","D. 10 ${{m}^{2}}$"],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":2}]}],"id_ques":3802},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":"\u0110\u1ec3 ti\u1ebft ki\u1ec7m \u0111i\u1ec7n n\u0103ng ch\u00fang ta ph\u1ea3i: ","select":["A. L\u1ef1a ch\u1ecdn c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n sao cho s\u1eed d\u1ee5ng h\u1ebft c\u00f4ng su\u1ea5t c\u1ee7a ch\u00fang, ch\u1ecdn \u0111\u00fang ti\u1ebft di\u1ec7n c\u1ee7a t\u1eebng lo\u1ea1i d\u00e2y d\u1eabn.","B. Ph\u00e1t hi\u1ec7n v\u00e0 x\u1eed l\u00fd nhanh c\u00e1c s\u1ef1 c\u1ed1 r\u00f2 r\u1ec9 \u0111i\u1ec7n.","C. Gi\u1ea3m th\u1eddi gian ti\u1ec1u th\u1ee5 \u0111i\u1ec7n n\u0103ng v\u00f4 \u00edch, s\u1eed d\u1ee5ng \u0111i\u1ec7n h\u1ea1n ch\u1ebf trong gi\u1edd cao \u0111i\u1ec3m.","D. C\u1ea3 3 ph\u01b0\u01a1ng \u00e1n tr\u00ean."],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":1}]}],"id_ques":3803},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"<center><img src='https://www.luyenthi123.com/file/luyenthi123/lop9/vatly/bai62/lv2/img\/14.jpg'\/><\/center>N\u0103ng l\u01b0\u1ee3ng trong m\u00e1y \u0111i\u1ec7n gi\u00f3 \u0111\u01b0\u1ee3c bi\u1ebfn \u0111\u1ed5i nh\u01b0 th\u1ebf n\u00e0o? ","select":["A. N\u0103ng l\u01b0\u1ee3ng c\u1ee7a gi\u00f3 chuy\u1ec3n h\u00f3a tr\u1ef1c ti\u1ebfp th\u00e0nh \u0111i\u1ec7n n\u0103ng.","B. C\u1ea3 3 ph\u01b0\u01a1ng \u00e1n c\u00f2n l\u1ea1i \u0111\u1ec1u sai.","C. \u0110\u1ed9ng n\u0103ng c\u1ee7a gi\u00f3 th\u1ef1c hi\u1ec7n c\u00f4ng l\u00e0m quay c\u00e1nh qu\u1ea1t c\u1ee7a \u0111\u1ed9ng c\u01a1, chuy\u1ec3n h\u00f3a th\u00e0nh \u0111i\u1ec7n n\u0103ng.","D. Nhi\u1ec7t n\u0103ng c\u1ee7a gi\u00f3 th\u1ef1c hi\u1ec7n c\u00f4ng l\u00e0m quay tuabin c\u1ee7a \u0111\u1ed9ng c\u01a1, chuy\u1ec3n h\u00f3a th\u00e0nh \u0111i\u1ec7n n\u0103ng."],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":1}]}],"id_ques":3804},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":"<center><img src='https://www.luyenthi123.com/file/luyenthi123/lop9/vatly/bai62/lv2/img\/15.jpg'\/><\/center>Quan s\u00e1t h\u00ecnh, v\u1eadt \u1edf h\u00ecnh n\u00e0o ho\u1ea1t \u0111\u1ed9ng ch\u1ee7 y\u1ebfu d\u1ef1a v\u00e0o n\u0103ng l\u01b0\u1ee3ng gi\u00f3? ","select":["A. H\u00ecnh b v\u00e0 d.","B. H\u00ecnh a v\u00e0 d.","C. H\u00ecnh a v\u00e0 b.","D. H\u00ecnh a v\u00e0 c."],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":2}]}],"id_ques":3805},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":"Nh\u00e0 m\u00e1y \u0111i\u1ec7n ki\u1ec3u n\u00e0o sau \u0111\u00e2y kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi th\u1eddi ti\u1ebft? ","select":["A. Nh\u00e0 m\u00e1y \u0111i\u1ec7n m\u1eb7t tr\u1eddi.","B. Nh\u00e0 m\u00e1y \u0111i\u1ec7n h\u1ea1t nh\u00e2n.","C. Nh\u00e0 m\u00e1y th\u1ee7y \u0111i\u1ec7n.","D. Nh\u00e0 m\u00e1y \u0111i\u1ec7n gi\u00f3."],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":2}]}],"id_ques":3806},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":"M\u00e1y ph\u00e1t \u0111i\u1ec7n gi\u00f3 v\u00e0 pin m\u1eb7t tr\u1eddi l\u00e0 thi\u1ebft b\u1ecb ","select":["A. C\u1ea3 3 ph\u01b0\u01a1ng \u00e1n c\u00f2n l\u1ea1i \u0111\u1ec1u \u0111\u00fang.","B. C\u00f3 c\u00f4ng su\u1ea5t nh\u1ecf.","C. C\u00f3 th\u1ec3 cung c\u1ea5p \u0111i\u1ec7n cho nh\u1eefng v\u00f9ng n\u00fai, h\u1ea3i \u0111\u1ea3o.","D. C\u00f3 k\u00edch th\u01b0\u1edbc g\u1ecdn nh\u1eb9."],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":1}]}],"id_ques":3807},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"Nh\u00e0 m\u00e1y th\u1ee7y \u0111i\u1ec7n n\u00e0o d\u01b0\u1edbi \u0111\u00e2y c\u00f3 c\u00f4ng su\u1ea5t ph\u00e1t \u0111i\u1ec7n l\u1edbn nh\u1ea5t? ","select":["A. Nh\u00e0 m\u00e1y th\u1ee7y \u0111i\u1ec7n \u0110a Nhim, t\u1ec9nh L\u00e2m \u0110\u1ed3ng.","B. Nh\u00e0 m\u00e1y th\u1ee7y \u0111i\u1ec7n Yali, t\u1ec9nh Newton.","C. Nh\u00e0 m\u00e1y th\u1ee7y \u0111i\u1ec7n H\u00f2a B\u00ecnh, t\u1ec9nh H\u00f2a B\u00ecnh.","D. Nh\u00e0 m\u00e1y th\u1ee7y \u0111i\u1ec7n Tr\u1ecb An, t\u1ec9nh \u0110\u1ed3ng Nai."],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":1}]}],"id_ques":3808},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"<center><img src='https://www.luyenthi123.com/file/luyenthi123/lop9/vatly/bai62/lv2/img\/19.jpg'\/><\/center>Quan s\u00e1t h\u00ecnh, h\u00ecnh v\u1ebd n\u00e0o l\u00e0 m\u00f4 h\u00ecnh nh\u00e0 m\u00e1y \u0111i\u1ec7n h\u1ea1t nh\u00e2n? ","select":["A. C\u1ea3 a v\u00e0 b \u0111\u1ec1u sai.","B. C\u1ea3 a v\u00e0 b \u0111\u1ec1u \u0111\u00fang.","C. H\u00ecnh a.","D. H\u00ecnh b."],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":3809},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":"Thi\u1ebft b\u1ecb n\u00e0o kh\u00f4ng d\u00f9ng \u0111\u1ec3 chuy\u1ec3n h\u00f3a \u0111i\u1ec7n n\u0103ng th\u00e0nh c\u01a1 n\u0103ng ? ","select":["A. Qu\u1ea1t \u0111i\u1ec7n","B. M\u00e1y b\u01a1m n\u01b0\u1edbc","C. \u0110\u1ed9ng c\u01a1 \u0111i\u1ec7n","D. B\u1ebfp \u0111i\u1ec7n"],"hint":"","explain":"<span class='basic_left'> <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":2}]}],"id_ques":3810}],"lesson":{"save":0,"level":2}}

Điểm của bạn.

Câu hỏi này theo dạng chọn đáp án đúng, sau khi đọc xong câu hỏi, bạn bấm vào một trong số các đáp án mà chương trình đưa ra bên dưới, sau đó bấm vào nút gửi để kiểm tra đáp án và sẵn sàng chuyển sang câu hỏi kế tiếp

Trả lời đúng trong khoảng thời gian quy định bạn sẽ được + số điểm như sau:
Trong khoảng 1 phút đầu tiên + 5 điểm
Trong khoảng 1 phút -> 2 phút + 4 điểm
Trong khoảng 2 phút -> 3 phút + 3 điểm
Trong khoảng 3 phút -> 4 phút + 2 điểm
Trong khoảng 4 phút -> 5 phút + 1 điểm

Quá 5 phút: không được cộng điểm

Tổng thời gian làm mỗi câu (không giới hạn)

Điểm của bạn.

Bấm vào đây nếu phát hiện có lỗi hoặc muốn gửi góp ý