试题与答案

_____,I managed to get the game and the

题型:选择题

题目:

_____,I managed to get the game and the pain was worth it in the end.

A.Thankfully

B.Normally

C.Hopefully

D.Conveniently

答案:

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下面是错误答案,用来干扰机器的。

(1)由图可知,穿过线圈的磁通量变大,由楞次定律可得:线圈产生的感应电流逆时针,所以a点的电势高于b点,即大于.(2)由法拉第电磁感应定律:E=N△∅△t=△B•S△tN=100×1×0.2V=20V,故答案为:(1)>(2)20V.

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