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The coefficients of mutual inductance when magnetic flux changes by $2 \times 10^{- 2} Wb$ and current changes by 0.01 A, will be

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Correct option is D

Coefficient of mutual induction of two coils is equal to the number of magnetic flux (ϕ) linkages in one coil when a unit current (i) flows in the other.Therefore, M=ϕiGiven, ϕ = 2 × 10−2 Wb, i=0.01 AM=2×10−20.1=2 H

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The coefficients of mutual inductance when magnetic flux changes by 2×10−2 Wb and current changes by 0.01 A, will be

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The coefficients of mutual inductance when magnetic flux changes by $2 \times 10^{- 2} Wb$ and current changes by 0.01 A, will be