A circular coil of 100 turns has a radius of 10 cm and carries a current of 5A. Calculate the magnetic field (a) at the centre of the coil (b) at a point on the axis of the coil at a distanceof 5cm from the centre of the coil.

A circular coil of 120 turns has a radius of 18cm and carries a current of 3*0A . What is the magnitude of the magnetic field (i) at the centre of the coil (ii) at a point on the axis of the coil at a distance from the centre equal to the radius of the coil?

A circular coil of 200 turns has a radius of 10 cm and carries a current of 2.0 A. (a) Find the magnitude of the magnetic field (vec B) at the centre of the coil. (b) At what distance from the centre along the axis of the coil will the field B drop to half its value at the centre?

The magnetic field at the centre of the current carrying coil

A circular coil of radius 1*5cm carries a current of 1*5A . If the coil has 25 turns , find the magnetic field at the centre.

A circular coil of 0.2 m diameter has 100 turns and carries a current of 0.1 ampere. The intensity of magnetic field at the centre of the coil is -

A circular coil of radius 10 cm having 100 turns carries a current of 3.2 A. The magnetic field at the center of the coil is

A tightly wound 100 turn coil of radius 10cm is carrying a current of 1A . What is the magnitude of the magnetic field at the centre of the coil?

A circular coil of wire consisting of 100 turns each of radius 8cm carries a current of 0.4A. What is the magnitude of magnetic field at the center of the coil

The magnetic field at the centre of current carrying coil is