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AI Gen: Electromagnetic Induction question bank (Physics)

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Q1.

A circular loop of wire of radius $10\text{ cm}$ is placed in a uniform magnetic field of $0.5\text{ T}$ perpendicular to its plane. The loop is pulled out of the field in $0.2\text{ s}$. The average induced emf in the loop is:

Topic: Electromagnetic Induction | Source: AI Generated (JEE Main)

(A)

$0.785\text{ V}$

(B)

$0.157\text{ V}$

(C)

$3.14\text{ V}$

(D)

$0.05\text{ V}$

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Q2.

A conducting rod of length $l$ is rotated with an angular velocity $\omega$ about an axis passing through one of its ends, perpendicular to the rod, in a uniform magnetic field $B$ parallel to the axis of rotation. The induced emf across the ends of the rod is:

Topic: Electromagnetic Induction | Source: AI Generated (JEE Main)

(A)

$\frac{1}{2} B \omega l^2$

(B)

$B \omega l^2$

(C)

Zero

(D)

$\frac{1}{4} B \omega l^2$

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