Two coupled coils have self inductances L1 = 10 mH and L2 = 20 mH.
The co-efficient of coupling (K) being 0.75 in the air. Voltage in the second coil when the current in circuit is given by I = 2 sin (314t) A is _______
1
3.14 cos (314t) V
2
3.33 sin (314t) V
3
6.66 cos (314t) V
4
6.28 cos (314t) V