Networks Analysis and Synthesis - Engineering

Q1:

Two similar coils have self inductance of 1 mH each. Coefficient of coupling is 0.5. The mutual inductance M is

A 0.25 mH

B 0.5 mH

C 0.707 mH

D 1 mH

ANS:B - 0.5 mH

M = kL1L2