{"common":{"save":0,"post_id":"9273","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"9927","post_id":"9273","mon_id":"1159539","chapter_id":"1159897","question":"<p>M\u1ed9t h\u1ecdc sinh m\u1eafc ampe k\u1ebf song song v\u1edbi bóng \u0111èn \u0111\u1ec3 \u0111o c\u01b0\u1eddng \u0111\u1ed9 dòng \u0111i\u1ec7n. K\u1ebft qu\u1ea3 \u0111o không \u0111úng là do:<\/p>","options":["A. Dùng ampe k\u1ebf sai thang \u0111o","B. M\u1eafc sai c\u1ef1c c\u1ee7a ampe k\u1ebf","C. M\u1eafc ampe k\u1ebf sai v\u1ecb trí – ph\u1ea3i m\u1eafc n\u1ed1i ti\u1ebfp","D. Bóng \u0111èn b\u1ecb cháy"],"correct":"3","level":"2","hint":"<p>Ampe k\u1ebf \u0111o dòng \u0111i\u1ec7n ch\u1ea1y qua nó, c\u1ea7n m\u1eafc n\u1ed1i ti\u1ebfp.<\/p>","answer":"<p><strong data-end=\"742\" data-start=\"677\">\u0110áp án \u0111úng là: C. M\u1eafc ampe k\u1ebf sai v\u1ecb trí – ph\u1ea3i m\u1eafc n\u1ed1i ti\u1ebfp<\/strong><br data-end=\"745\" data-start=\"742\" \/><strong data-end=\"760\" data-start=\"745\">Gi\u1ea3i thích:<\/strong><\/p><p>M\u1eafc song song s\u1ebd không có dòng \u0111i\u1ec7n \u0111i qua ampe k\u1ebf → không \u0111o \u0111\u01b0\u1ee3c.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"132","test":"0","date":"2025-05-16 07:12:41","option_type":"txt","len":3},{"id":"9928","post_id":"9273","mon_id":"1159539","chapter_id":"1159897","question":"<p>Khi \u0111o hi\u1ec7u \u0111i\u1ec7n th\u1ebf gi\u1eefa hai \u0111\u1ea7u bóng \u0111èn b\u1eb1ng vôn k\u1ebf, c\u1ea7n ph\u1ea3i:<\/p>","options":["A. M\u1eafc n\u1ed1i ti\u1ebfp vôn k\u1ebf v\u1edbi bóng \u0111èn","B. M\u1eafc vôn k\u1ebf song song v\u1edbi bóng \u0111èn","C. M\u1eafc vôn k\u1ebf vào m\u1ea1ch tr\u01b0\u1edbc khi \u0111óng công t\u1eafc","D. M\u1eafc n\u1ed1i ti\u1ebfp vôn k\u1ebf v\u1edbi ngu\u1ed3n"],"correct":"2","level":"2","hint":"<p>Vôn k\u1ebf \u0111o s\u1ef1 chênh l\u1ec7ch \u0111i\u1ec7n th\u1ebf hai \u0111i\u1ec3m.<\/p>","answer":"<p><strong data-end=\"1187\" data-start=\"1131\">\u0110áp án \u0111úng là: B. M\u1eafc vôn k\u1ebf song song v\u1edbi bóng \u0111èn<\/strong><br data-end=\"1190\" data-start=\"1187\" \/><strong data-end=\"1205\" data-start=\"1190\">Gi\u1ea3i thích:<\/strong><\/p><p>M\u1eafc song song giúp vôn k\u1ebf \u0111o \u0111úng hi\u1ec7u \u0111i\u1ec7n th\u1ebf hai \u0111\u1ea7u bóng \u0111èn.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"132","test":"0","date":"2025-05-16 07:16:34","option_type":"txt","len":3},{"id":"9929","post_id":"9273","mon_id":"1159539","chapter_id":"1159897","question":"<p>Khi m\u1eafc \u0111úng m\u1ea1ch \u0111i\u1ec7n, b\u1eadt công t\u1eafc, kim ampe k\u1ebf không l\u1ec7ch. Nguyên nhân nào sau \u0111ây h\u1ee3p lý nh\u1ea5t?<\/p>","options":["A. Bóng \u0111èn h\u1ecfng","B. M\u1eafc ng\u01b0\u1ee3c c\u1ef1c ampe k\u1ebf","C. Ngu\u1ed3n \u0111i\u1ec7n h\u1ebft pin","D. M\u1ea1ch b\u1ecb h\u1edf ch\u1ed7 nào \u0111ó"],"correct":"4","level":"2","hint":"<p>Dòng \u0111i\u1ec7n không ch\u1ea1y qua → c\u1ea7n tìm ch\u1ed7 \u0111\u1ee9t m\u1ea1ch.<\/p>","answer":"<p data-end=\"1676\" data-start=\"1487\"><strong data-end=\"1593\" data-start=\"1549\">\u0110áp án \u0111úng là: D. M\u1ea1ch b\u1ecb h\u1edf ch\u1ed7 nào \u0111ó<\/strong><br data-end=\"1596\" data-start=\"1593\" \/><strong data-end=\"1611\" data-start=\"1596\">Gi\u1ea3i thích:<\/strong><\/p><p data-end=\"1676\" data-start=\"1487\">M\u1ea1ch không kín → không có dòng \u0111i\u1ec7n → ampe k\u1ebf không hi\u1ec3n th\u1ecb gì.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"132","test":"0","date":"2025-05-16 07:17:43","option_type":"txt","len":2}]}