MHT CET 2025 Physics question
Two identical coils of inductance L joined in series are placed very close to each other such that the winding direction of one coil is exactly opposite to that of the other. The net inductance is
Answer: (C)
Solution
For two coils in series, (+ if the fluxes aid, - if they oppose). The coils are wound in opposite directions, so the mutual flux opposes: . Being identical and
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