Question

Two coils of self inductance L1 and L2 henry, are differentially coupled. Mutual inductance between them is M. Hence total inductance is
Option 1:
2L1 + 2L2 + M

Option 2:
L1 + L2 + 2M

Option 3:
L1 + L2 + M

Option 4:
2L1 + 2L2 + 2M

Answer 1

Answer:

L1+L2+2M

Explanation:

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