本题目来源于试卷: Electromagnetic Induction and Faraday’s Law and Lenz Law，类别为 美国物理杯赛(Physics Bowl)
[单选题]
00.10: When a wire moving through a m6c:c hcz+j1ao agnetic field has 36vr5z+hrrcq oil 7da+a5ey 3a voltage induced between the wire’s ends, that 7qvra yr3 za5i+o eh5r6lcd+3voltage is
I. directly proportional to the strength of the magnetic field
II. directly proportional to the velocity of the wire
III. directly proportional to the diameter of the wire
A. I only
B. II only
C. III only
D. I and II only
E. II and III only
参考答案: D
本题详细解析:
暂无
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