51问答网 > 在下面四个图中，正确地表示出通电螺线管的极性与电流方向的关系是（　　）A．B．C．D

在下面四个图中，正确地表示出通电螺线管的极性与电流方向的关系是（　　）A．B．C．D

2025-04-04 09:28:04
推荐回答（1个）
回答1：

A、利用安培定则可知，螺线管的右端应该是N极，左端为S极．故A错误．
B、利用安培定则可知，螺线管的右端应该是S极，左端为N极．故B错误．
C、利用安培定则可知，螺线管的右端应该是N极，左端为S极．故C错误．
D、根据安培定则，此图能正确表示出通电螺线管极性和电流方向关系，故D正确．
故选D．

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