试题与答案

如图所示,单匝线圈ABCD在外力作用下以速度v向右匀速进入匀强磁场,第二次又以速

题型:计算题

题目:

如图所示,单匝线圈ABCD在外力作用下以速度v向右匀速进入匀强磁场,第二次又以速度2 v匀速进入同一匀强磁场.求:

(1)第一次与第二次线圈中最大电流之比;

(2)第一次与第二次外力做功的最大功率之比。

答案:

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参考答案:对

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