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Due to the presence of the current l1 at the origin

The forces on A B and D C are zero

The magnitude of the net force on the loop is given by ( 0 I1)/(4 π) [2(b-a)+(π)/(3)(a+b) ]

The magnitude of the net force on the loop is given by ( 0 \|1)/(24 a b)(b-a)

Magnetic Effects & Magnetism

JEE Main level, single correct, medium

238 of 276

Question 238 of 276

Due to the presence of the current $\mathrm{l}_1$ at the origin

Show answer and solution

Answer: (B) The forces on $A D$ and $B C$ are zero

The forces on

A D

and

B C

are zero because magnetic field due to a straight wire on

A D

and

B C

is parallel to elementary length of the loop.

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 (Force and Torque on Current Carrying Conductor), with the answer and a step-by-step solution. Scan a question from your own book or paper to get a whiteboard video.

Due to the presence of the current l1\mathrm{l}_1l1​ at the origin

JEE Main question paper PDF

More Physics practice

Due to the presence of the current $\mathrm{l}_1$ at the origin