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发电机是根据______原理制成的.发电机产生的电流称为感应电流,感应电流的方向与闭合电路一部分导体切割
发电机是根据______原理制成的.发电机产生的电流称为感应电流,感应电流的方向与闭合电路一部分导体切割
2025-03-16 00:29:29
推荐回答(1个)
回答1:
回忆电磁感应现象实验:
(1)导体棒a 迅速向左运动和向右运动时,电流表的指针偏转方向相反,说明感应电流方向与切割磁感线方向有关;
(2)导体棒a运动方向不变时,改变磁极方向,电流表的指针偏转方向相反,说明感应电流方向与磁场方向有关.
发电机的原理模型如下:线圈切割磁感线,产生感应电流,应用了电磁感应现象原理.
依发电机的原理,和影响感应电流的方向的因素来填空,
故答案为:电磁感应现象;磁场.
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