Find the magnetic dipole moment of the spiral of total number of turns`N`, carrying current `i` having inner and outer radii `a` and `b` respectively.

Find the magnetic dipole moment of the spiral of total number of turns N, carrying current I having inner and outer radii v and b respectively

A flat coil, in the shape of a spiral, has a large number of turns N. The turns are wound tightly and the inner and outer radii of the coil are a and b respectively. A uniform external magnetic field (B) is applied perpendicular to the plane of the coil. Find the emf induced in the coil when the field is made to change at a rate (dB)/(dt) .

The magnetic dipole moment of a current loop, carrying current I, having n turns, each of radius r is………………….. .

Define magnetic dipole moment of a current carrying coil.

A thin insulated wire forms a plane spiral of N=100 turns carrying a current i=8mA . The inner and outer radii are equal to a=5 cm and b=10 cm . Find the magnetic induction at the centre of the spiral

A thin insulated wire forms a plane spiral of N=100 turns carrying a current i=8mA . The inner and outer radii are equal to a=5 cm and b=10 cm . Find the magnetic induction at the centre of the spiral

Consider a co axial cable which consists of an inner wilre of radius a surrounded by an outer shell of inner and outer radii b and c respectively. The inner wire caries a current I and outer shell carries an equal and opposite current. The magnetic field at a distance x from the axis where bltxltc is

A thin insulated wire form a spiral of N=100 turns carrying a current of i=8mA . The inner and outer radii are equal to a=5cm and b=10cm. Find the magnetic field at the centre of the coil.