The overall inductance of two coils connected in series, with mutual i – McqOptions

MCQOPTIONS

1.	The overall inductance of two coils connected in series, with mutual inductance aiding self inductance is L1 with mutual inductance opposing self-inductance the overall inductance is L2. The mutual inductance M is given by
A.	L1 + L2
B.	L1 – L2
C.	\(\frac{1}{4}(L_1-L_2)\)
D.	\(\frac{1}{4}(L_1+L_2)\)
Answer» D. \(\frac{1}{4}(L_1+L_2)\)

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