Q. A wire carrying current $i$ is shaped as shown. Section AB is a quarter circle of radius $r$ . The magnetic field is directed

3543 252 KCETKCET 2002 Report Error

A

at an angle $\frac{π}{4}$ to the plane of the paper

9%

B

perpendicular to the plane of the paper and directed into the paper

62%

C

along the bisector of the angle ACB towards AB

19%

D

along the bisector of the angle ACB away from AB.

10%

Solution:

normal to the plane of paper.