一矩形线圈在匀强磁场中绕垂直于磁场的轴匀速转动，周期为T，从中性面开始计时，当时感应电动势为2V，则此交流电动势的有效值为（）_刷题宝

题干

一矩形线圈在匀强磁场中绕垂直于磁场的轴匀速转动，周期为T，从中性面开始计时，当

时感应电动势为2V，则此交流电动势的有效值为（）

A：

B：2V

C：

D：

上一题下一题 0.0难度选择题更新时间:2018-06-11 10:10:14

答案(点此获取答案解析）

A

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