Two identical circular coils of radius 0.1m, each having 20 turns are mounted co-axially 0.1m apart. A current of 0.5A is passed through both of them (i) in the same direction, (ii) in the opposite directions. Find the magnetic field at the centre of each coil.

Two identical circular oils of radius 0*2m each having 30 turns are mounted coaxially 0*2m apart. What is the magnetic field at the centre of each coil when a current of 0*6A is passed through both the coils (a) in the same direction (b) in the opposite directions?

Two circular coils of wire each having a radius of 4cm and 10 turns have a common axis and are 3cm apart If a current of 1A passes through each coil in the opposite direction find the magnetic induction (i) At the center of either coil (ii) At a point on the axis, midway between them .

Two circular coils of wire each having a radius of 4cm and 10 turns have a common axis and are 3cm apart If a current of 1A passes through each coil in the opposite direction find the magnetic induction (i) At the center of either coil (ii) At a point on the axis, midway between them .

Two circular coils of wire each having a radius of 4cm and 10 turns have a common axis and are 3cm apart If a current of 1A passes through each coil in the opposite direction find the magnetic induction (i) At the center of either coil (ii) At a point on the axis, midway between them .

Two identical current carrying coils of radius 10 cm each are placed coaxially 0.5 m apart. Find the magnetic fields at the centre of each coil if a current of 0.5 A is passed through each of them in opposite directions. Assume that each coil is made of a single turn.

A circular coil of wire is made phi of 100 turns, each of radius 8 cm if a current of 0.4A passes through of, what will be the magnetic field at the centre of the coil

A circular coil is lying in a horizontal plane. The coil has 20 turns with each turn of radius 10 cm. For an observer above the coil, the current of 5 A appears to flow in the anticlockwise direction. What is the magnitude and direction of magnetic field at the centre of the coil?

A circular coil of a wire containing 100 turns each of radius 2cm carries a current of 0.20A. The magnetic field at the centre of the coil is…..