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MHT CET 2026 (19 May, Shift 2) · Mutual Inductance

Mutual Inductance question from MHT CET 2026 (19 May, Shift 2)

Q8MHT CET 2026 · 19 MAY · SHIFT 2Easy

Mutual Inductance

Two coils of self inductance, $2$ mH and $8$ mH are placed so closed together that the effective flux in one coil is completely linked with the other. The mutual inductance between these coils is,

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Answer: (d)

Complete flux linkage means coupling coefficient $k = 1$ , so $M = \sqrt{L_1L_2}$
$M = \sqrt{2 \times 8} = 4\text{ mH}$
So the answer is (d) $4$ mH.

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