A toroid of n turns, mean radius R and cross-sectional radius a carries current I. It is placed on a horizontal table taken as x-y plane. Its magnetic moment `vecM`

A toroid of n turns, mean radius R and cross sectional radius a carries current 'I' . It is placed on a horizontal table taken as x-y plane.Its magnetic moment vec M

A toroid of n turns, mean radius R and cross-sectional radius a carries current I. It is placed on a horizontal table taken as xy- plane. Its magnetic moment overset(to)(m) …..

A circular coil of n turns and radius r carries a current I. The magnetic field at the centre is

A circular coil of n turns and radius r carries a current I. The magnetic field at the center is

A circular coil of closely wound N turns and radius r carries a current I . Write expressions for the following : the magnetic moment

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

Figure shows a long straight wire of a circular cross-section (radius a) carrying steady current I. The current I is uniformly distributed across this cross-section. Calculate the magnetic field in the region r a.