The total inductance of two coils is 60 mH in series aiding connection – McqOptions

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1.	The total inductance of two coils is 60 mH in series aiding connection and 40 mH in series opposing connection. The mutual inductance between coils is
A.	20 mH
B.	10 mH
C.	5 mH
D.	2.5 mH
Answer» D. 2.5 mH

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