An iron rod of length L and magnetic moment M is bent in the form of a semicircle. Now its magnetic moment will be

see full answer

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!

An Intiative by Sri Chaitanya

2Mπ

Mπ

answer is B.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

On bending a rod its pole strength remains unchanged where as its magnetic moment changes.New magnetic momentM'=m(2R)=m2Lπ=2Mπ

Watch 3-min video & get full concept clarity