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Standard XII

Physics

Field Due to a Solenoid

The magnetic ...

Question

The magnetic flux linked with a coil changes by $2 \times 10^{- 3}$ wb, When current in the neighbouring coil changes by 0.01 A. The coefficient of mutual induction of the coils is

2 H

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20 H

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0.2 H

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200 H

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Solution

The correct option is C 0.2 H
$M = \frac{δ ϕ}{δ i} = \frac{2 \times 10^{- 3}}{0.01}$
$M = 0.2 H$

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The magnetic flux linked with a coil changes by 2×10−3 wb, When current in the neighbouring coil changes by 0.01 A. The coefficient of mutual induction of the coils is

The correct option is C 0.2 HM=δϕδi=2×10−30.01 M=0.2H

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The correct option is C 0.2 H
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