MHT CET 2024 Physics question
Two coils of self-inductance 25 mH and 9 mH are placed together such that the effective flux in one coil is completely linked with the other. The mutual inductance between these coils is
Answer: (C)
Solution
Mutual inductance , where is the coupling coefficient. Flux of one coil completely linked with the other means . So \sqrt{25× 9}$ =
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