Jee Main
Magnetics
JEE Main 2026 (Online) 2nd April Morning Shift
MCQ+4 / -12026
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 ______.
