Two coils of self inductance 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:NEET 2006

Question

TestHub · Accepted Answer

Mutual inductance between coils is M M ​ = k I 1 ​ I 2 ​ ​ = 1 2 × 1 0 − 3 × 8 × 1 0 − 3 ​ { x = 1 } = 4 × 1 0 − 3 = 4 mH ​

Physics - EMI/AC Question with Solution | TestHub

Options:

Doubts & Discussion