题目内容

关于磁感应强度,下面说法中错误的是()。

A. 磁感应强度B和磁场H有线性关系,H定了,B就定了
B值的大小与磁介质性质有关
C. B值还随H的变化而变化
D. 磁感应强度是表征磁场的强弱和方向的量

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