engineering recuitment PGCIL Diploma Trainee Mock Test 2024 Physics Electromagnetic Induction and Inductance Inductors and Inductance
The mutual inductance (M) of the two coils is 3 H. The self inductances of the coils are 4 H and 9 H respectively. The coefficient of coupling between the coils is
1
0.3
2
0.4
3
0.5
4
0.6