railway RRB JE (CBT I + CBT II) Mock Test 2024 Network Theory Magnetic Coupling Circuits Mutual Inductance
The coefficient of coupling between two coils is 0.45. The first coil has an inductance of 75 mH and the second coil has an inductance of 105 mH. What is the mutual inductance between the coils?
1
3.54 mH
2
39.9 mH
3
7.88 mH
4
189.3 mH