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Electromagnetic Induction question bank (Physics)

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Q1.

A square loop of area $A$ is moving out of the uniform magnetic field $(B)$ with constant velocity $v$. The EMF $(e)$ induced in the loop is

(A)

$Bv^2\sqrt{A}$

(B)

$BvA$

(C)

$Bv\sqrt{A}$

(D)

$\sqrt{BvA}$

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Q2.

Two identical inductors are connected in parallel. If the parallel combination stores $40\ \text{J}$ of magnetic field energy when a total current of $2\ \text{A}$ is passed through it, the value of the self-inductance of each coil is

(A)

$20\ \text{H}$

(B)

$60\ \text{H}$

(C)

$40\ \text{H}$

(D)

$10\ \text{H}$

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