If the magnetic induction at a point on the axis of current coil is half of that at the centre of the coil, then the distance of that point from the centre of the coil is :

Write the expression for the magnetic induction at any point on the axis of circular current-carrying coil. Hence, orbtain an expression for the magnetic induction at the centre of the circular coil.

The magnetic induction at a point on the axis of a circular current carrying coil at a distance equal to the radius of coil carrying a current of 0.5 A is

The magnetic induction at a point on the axis of a circular current carrying coil at a distance equal to the radius of coil carrying a current of 0.5 A is

Find the magnetic field induction at a point on the axis of a circular coil carrying current and hence find the magnetic field at the centre of circular coil carrying current.

Find the magnetic field induction at a point on the axis of a circular coil carrying current and hence find the magnetic field at the centre of circular coil carrying current.

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

If B is the magnetic induction, at the centre of a circular coil of radius 'r' carrying a current is 1T , then its value at a distance of sqrt(3)r on the axis from the centre of the coil is

Magnetic field B on the axis of a circular coil and far away distance x from the centre of the coil are related as :