A wire of length l, carrying current i, is bent in circle of radius r, then magnetic momennt at centre of loop is

A wire of length l, carrying current i, is bent in circle of radius r, then magnetic moment at centre of loop is

A wire of length l meter carrying current i ampere is bent in form of circle. Magnetic moment is

A wire of length l meter carrying current i ampere is bent in form of circle. Magnetic moment is

A wire of length L carrying a current I is bent into a circle. The magnitude of the magnetic field at the centre of the circle is

A wire of length L carrying a current I is bent into a circle. The magnitude of the magnetic field at the centre of the circle is

A wire of length L carrying a current I is bent into a circle. The magnitude of the magneitc field at the centre of the circle is

A conductor of length L and carrying current i is bent to form a coil of two turns.Magnetic field at the centre of the coil will be

A part of a long wire carrying a current i is bent into a circle of radius r as shown in figure. The net magnetic field at the centre O of the circular loop is :

A part of a long wire carrying a current i is bent into a circle of radius r as shown in figure. The net magnetic field at the centre O of the circular loop is