The magnetic field at the centre of the current carrying coil

The magnetic field near the centre of a current carrying coil is uniform and ________

The ratio of the magnetic field at the centre of a current carrying coil of the radius a and at distance 'a' from centre of the coil and perpendicular to the axis of coil is

The ratio of the magnetic field at the centre of a current carrying coil of the radius a and at distance 'a' from centre of the coil and perpendicular to the axis of coil is

Is the magnetic field at the centre of the current carrying circular coil parallel to the plane of the coil?

The magnetic field at the centre of current carrying coil is

Derive an expression for the magnetic field.at the centre of a current carrying coil.

Ratio of magnetic fields at the centre of a current carrying coil of radius r and at a distance 3r on its axis is

Ratio of magnetic field at the centre of a current carrying coil of radius R and at a distance of 3R on its axis is