Q. $PQRS$ is a square loop made of uniform wire. If the current enters the loop at $P$ and leaves at $S$, then the magnetic field will be
A) Maximum at the centre of the loop
B) Zero at the centre of loop
C) Zero at all points inside the loop
D) Zero at all points outside of the loop
Explanation
The correct answer is Option B: Zero at the centre of loop.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.