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Magnetic Effects & Magnetism

JEE Main level, single correct, medium

68 of 276

Question 68 of 276

A loop of flexible wire of irregular shape carrying current is placed in an external magnetic field. Identify the effect of the field on the wire.

Show answer and solution

Answer: (A) Loop assumes circular shape with its plane normal to the field.

Every part (

dl

) of the wire is pulled by the force

i(dl)B

acting perpendicular to the current

&

magnetic field giving it the shape of a circle.

JEE Main question paper PDF

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JEE Main 2025 Apr 2 Shift 1 question paper

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More Physics practice

JEE Main Physics practice question on Magnetic Effects & Magnetism (Magnetic Field), with the answer and a step-by-step solution. Scan a question from your own book or paper to get a whiteboard video.