問題詳情

23. A square conductive loop of side L and resistance R is pulled with constantspeed u out of a uniform magnetic field B. The magnetic feld is perpendicularto and pointing into the plane of the loop, as shown in the figure. Which ofthe following is correct?


(A) The induced EMF is BLu；
(B) The inducedcurrent is BLU/R；
(C)The force required to pull the loop is B2L2u/R；
(D)The power required to pull the loop is B2L2U2/R2；
(E) The direction of theelectric current is clockwise.

參考答案

答案：A,B,C,E
難度：計算中-1
書單：沒有書單，新增