Magnetic Effects Of Current Question 102

Question: A wire carrying current i is shaped as shown. Section AB is a quarter circle of radius r. The magnetic field is directed [KCET 2002]

Options:

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

Show Answer

Answer:

Correct Answer: B

Solution:

Use Right hand palm rule or Maxwell?s Cork screw rule.