railway RRB JE (CBT I + CBT II) Mock Test 2024 Network Theory Magnetic Coupling Circuits Mutual Inductance
Two coupled coils with L1 = 0.5 H and L2 = 4.0 H have a co-efficient of coupling 0.8. Find maximum value of the inductance EMF in the coil 2 if a current of i1 = 20 sin 314t A is passed in coil 1.
1
22.6 V
2
444 V
3
7.1 kV
4
355 V