A magnet of magnetic `'M'` is in the form of a quadrant of a circle. If it is strightened, its new magnetic moment will be

A bar magnet of magnetic moment M is bent in the form of quadrant of circular arc . The new magnetic moment is

A bar magnet of magnetic moment M is bent in the form of quadrant of circular arc . The new magnetic moment is

A bar magnet of moment 'M' is bent into a shape '5' . If the length of the each part is same, its new magnetic moment will be

A bar magnet of lenth l and magnetic dipole moment 'M' is bent in the form of an arc as shown in figure. The new magnetic dipole moment will be

A bar magnet of lenth l and magnetic dipole moment 'M' is bent in the form of an arc as shown in figure. The new magnetic dipole moment will be

A bar magnet of length ! and magnetic dipole moment M is bent in the form of an arc as shown in figure. The new magnetic dipole moment will be