{"common":{"save":0,"post_id":"9064","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"9537","post_id":"9064","mon_id":"1159539","chapter_id":"1159897","question":"<p>Khi c\u1ecd xát m\u1ed9t m\u1ea3nh v\u1ea3i l\u1ee5a lên m\u1ed9t cây th\u01b0\u1edbc nh\u1ef1a, th\u01b0\u1edbc nh\u1ef1a có kh\u1ea3 n\u0103ng hút các m\u1ea3nh gi\u1ea5y v\u1ee5n nh\u1eb9. \u0110o\u1ea1n mô t\u1ea3 này minh h\u1ecda hi\u1ec7n t\u01b0\u1ee3ng gì?<\/p>","options":["A. Hi\u1ec7n t\u01b0\u1ee3ng \u0111i\u1ec7n phân","B. Hi\u1ec7n t\u01b0\u1ee3ng nhi\u1ec5m \u0111i\u1ec7n do c\u1ecd xát","C. Hi\u1ec7n t\u01b0\u1ee3ng c\u1ea3m \u1ee9ng \u0111i\u1ec7n","D. Hi\u1ec7n t\u01b0\u1ee3ng d\u1eabn \u0111i\u1ec7n"],"correct":"2","level":"2","hint":"<p>Hi\u1ec7n t\u01b0\u1ee3ng nhi\u1ec5m \u0111i\u1ec7n do c\u1ecd xát x\u1ea3y ra khi hai v\u1eadt ti\u1ebfp xúc và tác d\u1ee5ng l\u1ef1c lên nhau, làm v\u1eadt b\u1ecb nhi\u1ec5m \u0111i\u1ec7n.<\/p>","answer":"<p data-end=\"561\" data-start=\"507\"><strong data-end=\"526\" data-start=\"507\">\u0110áp án \u0111úng là:<\/strong> B. Hi\u1ec7n t\u01b0\u1ee3ng nhi\u1ec5m \u0111i\u1ec7n do c\u1ecd xát<\/p><p data-end=\"729\" data-start=\"563\"><strong data-end=\"578\" data-start=\"563\">Gi\u1ea3i thích:<\/strong><br data-end=\"581\" data-start=\"578\" \/>Khi c\u1ecd xát, các electron di chuy\u1ec3n t\u1eeb v\u1eadt này sang v\u1eadt kia, làm cho m\u1ed9t v\u1eadt tr\u1edf nên nhi\u1ec5m \u0111i\u1ec7n và có th\u1ec3 hút các v\u1eadt khác mang \u0111i\u1ec7n tích \u0111\u1ed1i ngh\u1ecbch.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"132","test":"0","date":"2025-04-26 16:49:23","option_type":"txt","len":2},{"id":"9538","post_id":"9064","mon_id":"1159539","chapter_id":"1159897","question":"<p>Khi hai qu\u1ea3 bóng cùng \u0111\u01b0\u1ee3c c\u1ecd xát b\u1eb1ng v\u1ea3i, sau \u0111ó \u0111\u01b0a l\u1ea1i g\u1ea7n nhau, chúng \u0111\u1ea9y nhau ra. Hi\u1ec7n t\u01b0\u1ee3ng này ch\u1ee9ng t\u1ecf \u0111i\u1ec1u gì v\u1ec1 \u0111i\u1ec7n tích c\u1ee7a chúng?<\/p>","options":["A. Hai qu\u1ea3 bóng mang \u0111i\u1ec7n tích cùng d\u1ea5u","B. Hai qu\u1ea3 bóng mang \u0111i\u1ec7n tích trái d\u1ea5u","C. Hai qu\u1ea3 bóng không mang \u0111i\u1ec7n tích","D. Hai qu\u1ea3 bóng mang \u0111i\u1ec7n tích trung hòa"],"correct":"1","level":"2","hint":"<p data-end=\"1119\" data-start=\"1076\">- Các v\u1eadt nhi\u1ec5m \u0111i\u1ec7n cùng lo\u1ea1i s\u1ebd \u0111\u1ea9y nhau.<\/p><p data-end=\"1162\" data-start=\"1122\">- Các v\u1eadt nhi\u1ec5m \u0111i\u1ec7n trái d\u1ea5u s\u1ebd hút nhau.<\/p>","answer":"<p data-end=\"1223\" data-start=\"1164\"><strong data-end=\"1183\" data-start=\"1164\">\u0110áp án \u0111úng là:<\/strong> A. Hai qu\u1ea3 bóng mang \u0111i\u1ec7n tích cùng d\u1ea5u<\/p><p data-end=\"1388\" data-start=\"1225\"><strong data-end=\"1240\" data-start=\"1225\">Gi\u1ea3i thích:<\/strong><br data-end=\"1243\" data-start=\"1240\" \/>Khi hai v\u1eadt cùng lo\u1ea1i \u0111i\u1ec7n (cùng d\u1ea5u) \u0111\u01b0\u1ee3c \u0111\u01b0a l\u1ea1i g\u1ea7n nhau, chúng s\u1ebd \u0111\u1ea9y nhau ra. \u0110ây là d\u1ea5u hi\u1ec7u cho th\u1ea5y hai qu\u1ea3 bóng mang \u0111i\u1ec7n tích cùng d\u1ea5u.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"132","test":"0","date":"2025-04-26 16:50:29","option_type":"txt","len":3},{"id":"9539","post_id":"9064","mon_id":"1159539","chapter_id":"1159897","question":"<p>Khi c\u1ecd xát thanh nh\u1ef1a vào mi\u1ebfng v\u1ea3i khô, thanh nh\u1ef1a có kh\u1ea3 n\u0103ng hút các m\u1ea3nh gi\u1ea5y v\u1ee5n. Hi\u1ec7n t\u01b0\u1ee3ng này x\u1ea3y ra vì:<\/p>","options":["A. Thanh nh\u1ef1a sinh ra t\u1eeb tr\u01b0\u1eddng","B. Thanh nh\u1ef1a nhi\u1ec5m \u0111i\u1ec7n do c\u1ecd xát","C. Các m\u1ea3nh gi\u1ea5y nhi\u1ec5m \u0111i\u1ec7n âm","D. Mi\u1ebfng v\u1ea3i sinh ra nhi\u1ec7t"],"correct":"2","level":"2","hint":"<p>C\u1ecd xát làm electron d\u1ecbch chuy\u1ec3n → v\u1eadt b\u1ecb nhi\u1ec5m \u0111i\u1ec7n.<\/p>","answer":"<p data-end=\"651\" data-start=\"597\"><strong data-end=\"616\" data-start=\"597\">\u0110áp án \u0111úng là:<\/strong> B. Thanh nh\u1ef1a nhi\u1ec5m \u0111i\u1ec7n do c\u1ecd xát<\/p><p data-end=\"782\" data-start=\"653\"><strong data-end=\"668\" data-start=\"653\">Gi\u1ea3i thích:<\/strong><br data-end=\"671\" data-start=\"668\" \/>C\u1ecd xát khi\u1ebfn thanh nh\u1ef1a b\u1ecb nhi\u1ec5m \u0111i\u1ec7n (th\u01b0\u1eddng nhi\u1ec5m \u0111i\u1ec7n âm), nên nó có kh\u1ea3 n\u0103ng hút các v\u1eadt nh\u1eb9 nh\u01b0 m\u1ea3nh gi\u1ea5y.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"132","test":"0","date":"2025-04-26 17:17:41","option_type":"txt","len":2}]}