Q. A wire carrying current $i$ is shaped as shown. Section $AB$ is a quarter circle of radius $r$. The magnetic field is directed
A) At an angle $\pi/4$ to the plane of the paper
B) Perpendicular to the plane of the paper and directed in to the paper
C) Along the bisector of the angle $ACB$ towards $AB$
D) Along the bisector of the angle $ACB$ away from $AB$
Explanation
(b) Use Right hand palm rule or Maxwell’s Cork screw rule
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.