Jee Main
Magnetics
JEE Main 2026 (Online) 24th January Evening Shift
MCQ+4 / -12026
Two identical circular loops $P$ and $Q$ each of radius $r$ are lying in parallel planes such that they have common axis. The current through $P$ and $Q$ are $I$ and $4 I$ respectively in clockwise direction as seen from $O$. The net magnetic field at $O$ is :
