A bar magnet of length l and magnetic moment M is bent in the form of an arc as shown in figure. The new magnetic dipole moment will be- (NEET 2014)
A. M
B. \(\frac { π }{ 3 }\) M
C. \(\frac { 2 }{ π }\) M
D. \(\frac { 1 }{ 2 }\) M
Answer:B
A bar magnet of length l and magnetic moment M is bent in the form of an arc as shown in figure. The new magnetic dipole moment will be- (NEET 2014)
A. M B. \(\frac { π }{ 3 }\) M C. \(\frac { 2 }{ π }\) M D. \(\frac { 1 }{ 2 }\) M