5[单选题] 线圈自感电动势的大小与（）无关 A.线圈中电流的变化率 B.线圈的匝数 C.线圈周围的介质 D.线圈的电阻 - 查题网

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河南成教 / 电路原理

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5[单选题]
线圈自感电动势的大小与（）无关

A.线圈中电流的变化率

B.线圈的匝数

C.线圈周围的介质

D.线圈的电阻

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电路原理

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