A square loop of side 1 m and resistance 1 Ω 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:

Question

A square loop of side 1 m and resistance 1 Ω 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:NEET 2022 (Phase 1)

TestHub · Accepted Answer

As plane of loop is perpendicular to the direction of magnetic field, therefore direction of area vector will be parallel to magnetic field.

Magnetic flux is given by,

$ϕ = \vec{B} \cdot \vec{A} = 0.5 {(1)}^{2} \cos 0 ° = 0.5 Wb$

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