A circular coil of wire n turns has a radius r and carries a current I . Its magnetic dipole moment is M .Now the coil is unwound and again rewound into a circular coil of half the initial radius and the same current is passed through it, then the dipole moment of this new coil is 1

A circular coil of wire "n" turns has a radius "r" and carries a current "I" . Its magnetic dipole moment is "M" .Now the coil is unwound and again rewound into a circular coil of half the initial radius and the same current is passed throught is, then the dipole moment of this new coil is

A circular coil of radius 5 cm and has 50 turns carries a current of 3 ampere. The magnetic dipole moment of the coil is

A circular coil of radius 'r' having N turns carries a current ''I''. What is its magnetic moment ?

A small coil of N turns has area A and a current I flows through it. The magnetic dipole moment of this coil will be

A small coil of N turns has area A and a current I flows through it. The magnetic dipole moment of this coil will be

A circular coil of radius 10 cm and 100 turns carries a current 1A. What is the magnetic moment of the coil?