The magnetic field at the centre of a circular current carrying loop of radius 12.3 cm is `6.4 xx 10^-6T`. What will be the magnetic moment of the loop? `(mu_0 = 4pi xx 10^-7 TmA^-1)`

The magnetic induction of the centre of circular coil carrying current of 1.4 A is 1.76 xx 10^(-6) N/A m then the circumference of the loop is

A circular loop of radius 9.7 cm carries a current 2.3A. Obtain the magnitude of the magnetic field:- centre of the loop .

The magnetic induction at the centre of a current carrying circular coil of radius 10cm is 5sqrt(5) times the magnetic induction at a point on its axis. The distance of the point from the centre of the coil in m is

Magnetic induction produced at the centre of a circular loop carrying current is B . The magnetic moment of the loop of radius R is

A circular loop has radius 10 cm and it is carrying a current of 0.1A. Calculate magnetic dipole moment.

Two wires shown in the figure are connected in a series circuit and the same amount of current of 10A passes through both, but in opposite directions seperation between the two wires is 8 mm. The length AB is S = 22 cm. Obtain the direction and magnetic field due to current in wire 2 on the section AB of wire 1. Also obtain the magnetic and direction of the force on wire 1. (mu_0=4pixx10^-7TmA^-1) .

The magnetic field due to a current carrying circular loop of radius 6 cm at a point on the axis at a distance of 8 cm from the centre is 108 mu T . What will be its value at the centre of the loop?

The magnetic field due to a current carrying circular loop of radius 3 m at as point on the axis at a distance of 4m from the centre is 54 muT . What will be its value at the centre of the loop/

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