Electromagnetic Induction and Faraday’s Law and Lenz Law (id: 202ba8612)

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]
10.39: A strong bar magnet is held v+78tatbjd0r9vj xdpja+7(c-p *wcs :*x knjzery close tnc2zay+t:0l p o the opening of a solenoid as shown in the diagram. As the magnet is moved to the left toward the solenoid, a conventional current through the resistor shown is directed from A to B. What is tha:z +pcnl0y 2te direction of the force on the bar magnet because of the induced current in the solenoid and which magnetic pole does the “??” in the diagram represent?

A. Force on magnet is To the right Pole of magnet is North
B. Force on magnet is To the left Pole of magnet is North
C. Force on magnet is To the right Pole of magnet is South
D. Force on magnet is To the left Pole of magnet is South
E. Force on magnet is There is no force Pole of magnet is Can not determine


参考答案:  A


本题详细解析: 暂无

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