試題詳解

29. You are designing a generator to have a maximum enf of 8.0 V. If the generator coil has 200 turns and a cross-sectional area of 0.030 m², what should be the frequency of the generator in a uniform magnetic field of 0.030 T?
(A) 7.1 Hz
(B) 8.4 Hz
(C) 9.7 Hz
(D) 10.6 Hz
(E) 12.6 Hz