本题目来源于试卷: Physics Unit21: Electromagnetic Induction & Faraday's Law，类别为 通用国际物理
[单选题]
A horizontal rod (oriented in the east-west zp4)( x, xpqxrdirection) is m47si3 (62wb 4pds+zy q zf 9nmqztl5lgoved northward at constant velocity throqfzimglqp44n7ws3sd6bl 9tz 2+5 ( y zugh a magnetic field that points straight down. Make a statement concerning the potential induced across the rod.
A. The west end of the rod is at higher potential than the east end.
B. The east end of the rod is at higher potential than the west end.
C. The top surface of the rod is at higher potential than the bottom surface.
D. The bottom surface of the rod is at higher potential than the top surface.
参考答案: A
本题详细解析:
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