Two identical long current carrying wires| EMF|JEE MAIN_2026

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JEE MAIN 2026

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Question

Two identical long current carrying wires are bent into the shapes shown in the following figures. If the magnitude of magnetic fields at the centres $P$ and $Q$ of a semicircular arc are $B_1$ and $B_2$ respectively, then the ratio $\frac{B_1}{B_2}$ is $\_\_\_\_$ .

Select the correct option:

A

$\frac{2+\pi}{1+\pi}$

B

$\frac{1+\pi}{1-\pi}$

C

$\frac{2+\pi}{1-\pi}$

D

$\frac{1+\pi}{2-\pi}$

✓ Correct! Well done.

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