engineering recuitment DRDO Technician A 2022 Mock Test Series (Tier I) Electronic Mechanic Electric Components Transformers and 3 Phase Systems
Two inductors of 32 mH and 8 mH are placed parallel to each other on a common core and are connected in series aiding. If the mutual inductance is 2 mH, the coefficient of coupling is
1
0.125
2
0.049
3
0.25
4
0.05