The mutual inductance of a pair of coils is 0.75 H. If current in the primary coil changes from 0.5 A to zero in 0.01 s, find average induced e.m.f. in secondary coil
A. 25.5 V
B. 12.5 V
C. 22.5 V
D. 37.5 V
Answer:D
The mutual inductance of a pair of coils is 0.75 H. If current in the primary coil changes from 0.5 A to zero in 0.01 s, find average induced e.m.f. in secondary coil
A. 25.5 V B. 12.5 V C. 22.5 V D. 37.5 V