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MHT CET 202625 AprilEvening Shift

Exam: MHT CET
Year: 2026
Date: 25 April
Shift: Evening Shift
Subject: Physics
Chapter: Electromagnetic Induction

MHT CET 2026 · 25 April · Evening Shift · Physics · Electromagnetic Induction

A square loop of area A is moving out of the uniform magnetic field...

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

Options

A $Bv^2\sqrt{A}$
B $BvA$
C $Bv\sqrt{A}$
D $\sqrt{BvA}$

Correct answer

C. $Bv\sqrt{A}$

Step-by-step solution

Let the side length of the square loop be

l

.

Since the area of the square loop is A

, we have

l^2 = A

, which gives

l =

\sqrt{A}.<br><br>When the loop moves out of the uniform magnetic field with constant velocity

v

, the motional EMF induced across the side of length

l

perpendicular to the velocity is given by:<br><br>

e = Bvl

<br><br>Substituting the value of

l

, we get:<br><br>

e =

Bv\sqrt{A}<br><br>Answer: Bv\sqrt{A}

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