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NEET 2022 (Phase 1) · Magnetic Flux & Faraday's Law

Magnetic Flux & Faraday's Law question from NEET 2022 (Phase 1)

Q52NEET 2022 · PHASE 1Easy

Magnetic Flux & Faraday's Law

A square loop of side 1 m and resistance 1 $\Omega$ is placed in a magnetic field of 0.5 T. If the plane of loop is perpendicular to the direction of magnetic field, the magnetic flux through the loop is

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Answer: (b)

Plane perpendicular to $\vec{B}$ means the normal is along $\vec{B}$ , so $\Phi = BA$ .
$A = 1\times 1 = 1$ m $^{2}$ , $\Phi = 0.5\times 1 = 0.5$ Wb (resistance is not needed).
So the answer is (b) 0.5 weber.

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