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]
09.37: For the figure shown, t 5 /je dn;xyy,zzfd8 kd8 h19xmr/z9dbhe variable resi o c ;dky48doqxs- mh-,hi)g.nstance in the circuit on the left is increased at a constant rate. What is the direction of the magnetic field at the point P at the center of the left-hand circuit and in what direction is the conventional current t m-g is8 )knxo,4. ;cqhdh -dyohrough the resistor in the right-hand circuit?
A. Magnetic Field at P is Into the page Current through resistor is From B to A
B. Magnetic Field at P is Into the page Current through resistor is From A to B
C. Magnetic Field at P is Out of the page Current through resistor is From B to A
D. Magnetic Field at P is Out of the page Current through resistor is From A to B
E. Magnetic Field at P is There is no field Current through resistor is There is no current
参考答案: A
本题详细解析:
暂无
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