本课配套习题挑战模式1/5
如图,处在磁场中的通电导体所受磁场力的方向为( )
A: 竖直向上 |
B: 竖直向下 |
C: 水平向左 |
D: 水平向右 |
- 提示1:PHA+5a+85L2T5omA5aSE55qE56OB5Zy65pa55ZCR5Li65LuOTuaMh+WQkVM8L3A+
- 提示2:PHA+55Sx5bem5omL5a6a5YiZ5Y+v5Yik5a6a56OB5Zy65Yqb5pa55ZCRPGJyPjwvcD4=
- 答案:QQ==
PHA+5a+85L2T5omA5aSE55qE56OB5Zy65pa55ZCR5Li65LuOTuaMh+WQkVPvvIznlLHlt6bmiYvlrprliJnlj6/lvpfvvJrpgJrnlLXlr7zkvZPmiYDlj5fno4HlnLrlipvnmoTmlrnlkJHkuLrnq5bnm7TlkJHkuIouIOaVhUHmraPnoa7vvIxCQ0TplJnor68uIOaVhemAiUE8L3A+
本课配套习题挑战模式2/5
要改变通电导体中的受力方向,可采用的办法是( )
A: 改变通电导体中的电流的大小 |
B: 只改变电流电流方向或只改变磁场方向 |
C: 改变电流的大小的同时改变磁场的强弱 |
D: 同时改变电流方向和磁场方向 |
- 提示1:PHA+6YCa55S15a+85L2T5Zyo56OB5Zy65Lit55qE5Y+X5Yqb5pa55ZCR5LiO55S15rWB5pa55ZCR5ZKM56OB5Zy65pa55ZCR5pyJ5YWzPC9wPg==
- 提示2:PHA+55S15rWB5pa55ZCR5oiW6ICF56OB5Zy65pa55ZCR55u45Y+N5pe277yM5Y+X5Yqb5pa55ZCR5Lmf5Y+N5ZCRPGJyPjwvcD4=
- 提示3:PHA+55S15rWB5pa55ZCR5ZKM56OB5Zy65pa55ZCR6YO95Y+N5ZCR77yM6YCa55S15a+85L2T5Y+X5Yqb5pa55ZCR5LiN5Y+YPC9wPg==
- 答案:Qg==
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
本课配套习题挑战模式3/5
用右图所示的电路研究“磁场对通电导体的作用”时,下列做法可以改变导体受力方向的是( )
A: 只改变电流方向 |
B: 增大电流 |
C: 减小电流 |
D: 对调磁极同时改变电流方向 |
- 提示1:PHA+6YCa55S15a+85L2T5Zyo56OB5Zy65Lit5Y+X5Yqb5pa55ZCR5LiO56OB5Zy65pa55ZCR5ZKM55S15rWB5pa55ZCR5pyJ5YWzPC9wPg==
- 提示2:PHA+6KaB5pS55Y+Y5a+85L2T55qE5Y+X5Yqb5pa55ZCR6KaB5LuO56OB5Zy65pa55ZCR5ZKM55S15rWB5pa55ZCR5YWl5omLPC9wPg==
- 答案:QQ==
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
本课配套习题挑战模式4/5
关于通电导体在磁场中的受力方向,下列说法中正确的是( )
A: 受力方向与电流方向一致 |
B: 受力方向与磁感线方向一致 |
C: 受力方向与电流方向和磁感线方向平行 |
D: 受力方向与电流方向和磁感线方向互相垂直 |
- 提示1:PHA+5Lya6L+Q55So5bem5omL5a6a5YiZ5Yik5pat6YCa55S15a+85L2T55qE5Y+X5Yqb5pa55ZCRPC9wPg==
- 提示2:PHA+55+l6YGT6YCa55S15a+85L2T5Zyo56OB5Zy65Lit55qE5Y+X5Yqb5LiO5LuA5LmI5pyJ5YWzPC9wPg==
- 答案:RA==
PHA+6YCa55S15a+85L2T5Zyo56OB5Zy65Lit5Lya5Y+X5Yiw56OB5Zy65Yqb5L2c55So77yM5bm25LiU5a+85L2T5Y+X5Yqb5pa55ZCR5LiO55S15rWB5pa55ZCR5ZKM56OB5oSf57q/5pa55ZCR5LqS55u45Z6C55u0LiDmiYDku6VB44CBQuOAgUPkuI3nrKblkIjpopjmhI/vvIxE56ym5ZCI6aKY5oSPLiDmlYXpgIlELjxicj48L3A+
本课配套习题挑战模式5/5
关于磁场对通电直导线的作用力,下列说法中正确的是( )
A: 通电直导线跟磁场方向平行时作用力最小,但不为零 |
B: 通电直导线跟磁场方向垂直时作用力最大 |
C: 作用力的方向与磁场方向可能相同 |
D: 通电直导线跟磁场方向不垂直时肯定无作用力 |
- 提示1:PHA+5LqG6Kej56OB5Zy65Yqb55qE5Lqn55Sf5p2h5Lu25Y+K5pa55ZCRPC9wPg==
- 提示2:PHA+55S15rWB5pa55ZCR5LiO56OB5Zy65pa55ZCR5bmz6KGM5pe25LiN5Y+X56OB5Zy65YqbPGJyPjwvcD4=
- 提示3:PHA+56OB5Zy65pa55ZCR5LiO55S15rWB5pa55ZCR5Z6C55u05pe277yM56OB5Zy65Yqb5pyA5aSnPC9wPg==
- 答案:Qg==
PHA+5b2T6YCa55S155u05a+857q/5LiO56OB5Zy65pa55ZCR5bmz6KGM5pe277yM5a+857q/5LiN5Y+X56OB5Zy65Yqb5L2c55So77yM5b2T5a+857q/5LiO56OB5Zy65pa55ZCR5Z6C55u05pe277yM56OB5Zy65Yqb5pyA5aSn77yMQUNE6ZSZ6K+v77yMQuato+ehri4g5pWF6YCJQjwvcD4=