問題詳情
53. A 30-turn circular coil of radius 1 m and resistance 1 Ω is placed in a magnetic field directedperpendicular to the plane of the coil. The magnitude of the magnetic field varies in time accordingto the expression B = 0.1 t + 0.04 t2, where B is in tesla and t is in second. Calculate the inducedemf in the coil at t = 5 s.
(A) 27 V
(B) 37 V
(C) 47 V
(D) 57 V
(E) 67 V
參考答案
答案：C
難度：計算中-1
書單：沒有書單，新增