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 ab f:i/pzo tm qsl())2j magnetic field has a voltage it;f pbk6oc 5,jm1 nfxwm-s .j+nduced between the wire’s ends, that vo1tpn+,wsfj.fk-5 jx6;b mmo cltage 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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