{"common":{"save":0,"post_id":"4987","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"9972","post_id":"4987","mon_id":"1158149","chapter_id":"1158250","question":"<p>M\u1ed9t bóng \u0111èn LED \u0111\u01b0\u1ee3c cung c\u1ea5p 100 J n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n, nó chuy\u1ec3n hóa 20 J thành n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t và 80 J thành n\u0103ng l\u01b0\u1ee3ng ánh sáng. H\u1ecfi l\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng hao phí c\u1ee7a \u0111èn là bao nhiêu?<\/p>","options":["20 J","80 J","100 J"],"correct":"1","level":"3","hint":"","answer":"<p>M\u1ed9t bóng \u0111èn LED ho\u1ea1t \u0111\u1ed9ng thì n\u0103ng l\u01b0\u1ee3ng có ích là n\u0103ng l\u01b0\u1ee3ng ánh sáng, n\u0103ng l\u01b0\u1ee3ng hao phí là nhi\u1ec7t n\u0103ng.<\/p><p>Do \u0111ó n\u0103ng l\u01b0\u1ee3ng hao phí c\u1ee7a \u0111èn là 20 J.<\/p><p>\u0110áp án \u0111úng là <span style=\"color:#16a085;\"><strong> 20 J<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2021-10-23 03:35:59","option_type":"txt","len":0},{"id":"9973","post_id":"4987","mon_id":"1158149","chapter_id":"1158250","question":"<p>M\u1ed9t bóng \u0111èn LED \u0111\u01b0\u1ee3c cung c\u1ea5p 100 J n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n, nó chuy\u1ec3n hóa 20 J thành n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t và 80 J thành n\u0103ng l\u01b0\u1ee3ng ánh sáng. H\u1ecfi l\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng có ích c\u1ee7a \u0111èn là bao nhiêu?<\/p>","options":["20 J","80 J","100 J"],"correct":"2","level":"3","hint":"","answer":"<p>M\u1ed9t bóng \u0111èn LED ho\u1ea1t \u0111\u1ed9ng thì n\u0103ng l\u01b0\u1ee3ng có ích là n\u0103ng l\u01b0\u1ee3ng ánh sáng, n\u0103ng l\u01b0\u1ee3ng hao phí là nhi\u1ec7t n\u0103ng.<\/p><p>Do \u0111ó n\u0103ng l\u01b0\u1ee3ng có ích c\u1ee7a \u0111èn là 80 J.<\/p><p>\u0110áp án \u0111úng là <span style=\"color:#16a085;\"><strong> 80 J<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2021-10-23 03:37:00","option_type":"txt","len":0},{"id":"9975","post_id":"4987","mon_id":"1158149","chapter_id":"1158250","question":"<p>M\u1ed9t bóng \u0111èn LED \u0111\u01b0\u1ee3c cung c\u1ea5p 150 J n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n, nó chuy\u1ec3n hóa 35 J thành n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t và 115 J thành n\u0103ng l\u01b0\u1ee3ng ánh sáng. H\u1ecfi l\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng có ích c\u1ee7a \u0111èn là bao nhiêu?<\/p>","options":["150 J","115 J","35 J"],"correct":"2","level":"3","hint":"","answer":"<p>M\u1ed9t bóng \u0111èn LED ho\u1ea1t \u0111\u1ed9ng thì n\u0103ng l\u01b0\u1ee3ng có ích là n\u0103ng l\u01b0\u1ee3ng ánh sáng, n\u0103ng l\u01b0\u1ee3ng hao phí là nhi\u1ec7t n\u0103ng.<\/p><p>Do \u0111ó n\u0103ng l\u01b0\u1ee3ng có ích c\u1ee7a \u0111èn là 115 J.<\/p><p>\u0110áp án \u0111úng là <span style=\"color:#16a085;\"><strong> 115 J<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2021-10-23 03:39:37","option_type":"txt","len":0}]}