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Two coils A and B having turns 300 and 600 respectively are placed near each other, on passing a current of 3.0 ampere in A, the flux linked with A is $1 .2 \times 10^{- 4} weber$ and with B it is $9 .0 \times 10^{- 5} weber$ . The mutual inductance of the system is

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detailed solution

Correct option is B

N2ϕ2=Mi1⇒9×10−5=M×3⇒M=3×10−5H

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Two coils A and B having turns 300 and 600 respectively are placed near each other, on passing a current of 3.0 ampere in A, the flux linked with A is 1.2×10−4 weber and with B it is 9.0×10−5 weber . The mutual inductance of the system is

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Ready to Test Your Skills?

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Two coils A and B having turns 300 and 600 respectively are placed near each other, on passing a current of 3.0 ampere in A, the flux linked with A is $1 .2 \times 10^{- 4} weber$ and with B it is $9 .0 \times 10^{- 5} weber$ . The mutual inductance of the system is