Two coils are coupled in such a way that the mutual inductance between ___

Two coils are coupled in such a way that the mutual inductance between them is 16 mH.

If the inductances of the coils are 20 mH and 80 mH respectively, the coefficient of coupling is

A. 0.01
B. 0.4
C. 0.1
D. 0.0025

Show Answer

Answer: B

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