Đoạn mạch nối tiếp, song song

Home Lớp 9 Khoa học tự nhiên 9 - sách kết nối tri thức Bài 12: Đoạn mạch nối tiếp, song songBài tập cơ bản

{"common":{"save":0,"post_id":"8246","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"9371","post_id":"8246","mon_id":"1159533","chapter_id":"1159663","question":"Trong m\u1ea1ch \u0111i\u1ec7n m\u1eafc n\u1ed1i ti\u1ebfp, c\u01b0\u1eddng \u0111\u1ed9 dòng \u0111i\u1ec7n trong các \u0111o\u1ea1n m\u1ea1ch:<\/p>","options":["A. Khác nhau.","B. B\u1eb1ng nhau.","C. T\u1ec9 l\u1ec7 v\u1edbi \u0111i\u1ec7n tr\u1edf c\u1ee7a t\u1eebng \u0111o\u1ea1n m\u1ea1ch.","D. L\u1edbn h\u01a1n hi\u1ec7u \u0111i\u1ec7n th\u1ebf qua t\u1eebng \u0111o\u1ea1n m\u1ea1ch."],"correct":"2","level":"1","hint":"Trong m\u1ea1ch n\u1ed1i ti\u1ebfp, c\u01b0\u1eddng \u0111\u1ed9 dòng \u0111i\u1ec7n \u1edf m\u1ecdi v\u1ecb trí trong m\u1ea1ch \u0111\u1ec1u b\u1eb1ng nhau.<\/p>","answer":"\u0110áp án \u0111úng là: B. B\u1eb1ng nhau.<\/strong> Trong m\u1ea1ch n\u1ed1i ti\u1ebfp, c\u01b0\u1eddng \u0111\u1ed9 dòng \u0111i\u1ec7n \u1edf m\u1ecdi v\u1ecb trí trong m\u1ea1ch \u0111\u1ec1u b\u1eb1ng nhau: <\/p>$I = I_1 = I_2 =...$<\/span>  <\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"125","test":"0","date":"2024-12-26 22:38:19","option_type":"txt","len":2},{"id":"9372","post_id":"8246","mon_id":"1159533","chapter_id":"1159663","question":"Trong m\u1ea1ch \u0111i\u1ec7n m\u1eafc n\u1ed1i ti\u1ebfp, t\u1ed5ng hi\u1ec7u \u0111i\u1ec7n th\u1ebf qua các \u0111i\u1ec7n tr\u1edf:<\/p>","options":["A. L\u1edbn h\u01a1n hi\u1ec7u \u0111i\u1ec7n th\u1ebf c\u1ee7a ngu\u1ed3n.","B. B\u1eb1ng hi\u1ec7u \u0111i\u1ec7n th\u1ebf c\u1ee7a ngu\u1ed3n.","C. B\u1eb1ng c\u01b0\u1eddng \u0111\u1ed9 dòng \u0111i\u1ec7n trong m\u1ea1ch. \n ","D. Nh\u1ecf h\u01a1n hi\u1ec7u \u0111i\u1ec7n th\u1ebf c\u1ee7a ngu\u1ed3n."],"correct":"2","level":"1","hint":"","answer":"\u0110áp án: B. B\u1eb1ng hi\u1ec7u \u0111i\u1ec7n th\u1ebf c\u1ee7a ngu\u1ed3n. Gi\u1ea3i thích: Trong m\u1ea1ch n\u1ed1i ti\u1ebfp: $U = U_1\\ +\\ U_2\\ +\\ ...$<\/span>, t\u1ed5ng hi\u1ec7u \u0111i\u1ec7n th\u1ebf qua các \u0111i\u1ec7n tr\u1edf b\u1eb1ng hi\u1ec7u \u0111i\u1ec7n th\u1ebf c\u1ee7a ngu\u1ed3n.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"125","test":"0","date":"2024-12-26 22:41:10","option_type":"txt","len":2},{"id":"9373","post_id":"8246","mon_id":"1159533","chapter_id":"1159663","question":"Trong m\u1ea1ch \u0111i\u1ec7n m\u1eafc song song, hi\u1ec7u \u0111i\u1ec7n th\u1ebf qua các nhánh m\u1ea1ch:<\/p>","options":["A. Khác nhau.","B. B\u1eb1ng nhau.","C. T\u1ec9 l\u1ec7 v\u1edbi dòng \u0111i\u1ec7n qua t\u1eebng nhánh.","D. B\u1eb1ng t\u1ed5ng hi\u1ec7u \u0111i\u1ec7n th\u1ebf c\u1ee7a ngu\u1ed3n."],"correct":"2","level":"1","hint":"","answer":"\u0110áp án: B. B\u1eb1ng nhau<\/p>Gi\u1ea3i thích: Trong m\u1ea1ch song song, hi\u1ec7u \u0111i\u1ec7n th\u1ebf qua các nhánh luôn b\u1eb1ng nhau: $U\\ = U_1\\ =\\ U_2\\ =\\ ...$<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"125","test":"0","date":"2024-12-26 22:43:26","option_type":"txt","len":3}]}