問題詳情

44. A loop of wire (resistance = 2.0 mΩ) is positioned as shown with respect to a long wire whichcarries a current. If d = 1.0 cm, D = 6.0 cm, and L = 1.5 m, what current(I) is induced in the loopat an instant when the current in the wire is increasing at a rate of 100 A/s?


(A)34 mA
(B)30 mA
(C)27 mA
(D)38 mA
(E)0.50 mA

參考答案

答案：C
難度：計算中-1
書單：沒有書單，新增