The number of turns in the coil of an AC generator is 5000 and the area of the coil is 0.25 m². The coil is rotated at the rate of 100 cycles /sec in the magnetic field of 0.2W/m². then the peak value will be :
A. 786 kV
B. 178 kV
C. 157 kV
D. 123 kV