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 _______

Two coupled coils have self inductances L1 = 10 mH and L2 = 20 mH.The

1.	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 _______
A.	3.14 cos (314t) V
B.	3.33 sin (314t) V
C.	6.66 cos (314t) V
D.	6.28 cos (314t) V
Answer» D. 6.28 cos (314t) V