Two coils of self inductances 2 mH and 8 mH are placed so close together that the effective flux in one coil is completely linked with the other. The mutual inductance between these coils is
A. 6 mH
B. 4 mH
C. 16 mH
D. 10 mH
Answer:B
Two coils of self inductances 2 mH and 8 mH are placed so close together that the effective flux in one coil is completely linked with the other. The mutual inductance between these coils is
A. 6 mH B. 4 mH C. 16 mH D. 10 mH