下列说法正确的是(    ) A.带电粒子射入磁场一定受到洛伦兹力

下列说法正确的是(    )

A.带电粒子射入磁场一定受到洛伦兹力的作用

B.处在磁场中的通电导线一定受到安培力的作用

C.放在磁场中某点的小磁针的北极受力方向,就是该点的磁感应强度的方向

D.磁感线从磁体的N极出发,终止于S

答案

C


解析:

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