Two similar coils have self inductance of 1 mH each. Coefficient of co – McqOptions

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1.	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
Answer» C. 0.707 mH

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