A coil consists of 750 turns and a current of 10 A in the coil gives rise to a magnetic flux of 1200 μWb. What are the inductance of the coil and the average e.m.f. induced in the coil when this current is reversed in 0.01 second respectively?
1
0.09 H and 180 V
2
0.09 H and 90 V
3
0.18 H and 90 V
4
0.18 H and 180 V