试题与答案

如图甲所示,将带有绝缘皮的导线放在导体线框abcd上,当导线中通有图乙所示的电流

题型:选择题

题目:

如图甲所示,将带有绝缘皮的导线放在导体线框abcd上,当导线中通有图乙所示的电流时(规定图中箭头方向为电流正方向),线框能够产生abcd方向电流的时间段是

A.0-1s

B.1-2s

C.2-3s

D.3-4s

答案:

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