In a transformer, coefficient of mutual inductance between primary and secondary coil is 0.2 H. When current changes by 5 Na in the primary, then: the induced era in the secondary will be

0.5 V

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1 V

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1.5 V

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2.0 V

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Solution

The correct option is B 1 V
$e = M \frac{d i}{d t} = 0.2 \times 5 = 1 V$

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In a transformer, coefficient of mutual inductance between primary and secondary coil is 0.2 H. When current changes by 5 Na in the primary, then: the induced era in the secondary will be

The correct option is B 1 Ve=Mdidt=0.2×5=1V

The correct option is B 1 V
$e = M \frac{d i}{d t} = 0.2 \times 5 = 1 V$