Electromagnetic Induction and Faraday’s Law and Lenz Law (id: 078c16a1e)

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]
07.34 For the solenoids shown inapgv +j gzlj*n.m,/4 c tk;.+sd .*ngl.oofm guhe diagram (which are assumed to be close to each other), the resistance of the left-hand circuit is slowly increased. In which direction does the galvanometer needle in the rgd.; ..mls* fk nog+ouight-hand circuit move in response to this change?

A. The needle deflects to the left.
B. The needle deflects to the right.
C. The needle oscillates back and forth.
D. The needle rotates in counterclockwise circles
E. The needle never moves.


参考答案:  A


本题详细解析: 暂无

微信扫一扫，分享更方便