Magnetic Field due to Circular Coil

Magnetic Field Due to Circular Loop||Ideal Solenoid

(a) What is the nature of the magnetic field inside a solenoid? (b) What is the nature of the magnetic field due to a circular coil?

Plot a magnetic field due to a circular coil carrying current and explain the law used to find the direction of magnetic field at the centre of circular coil carrying current.

What will happen to magnetic field due to a circular coil carrying electric current if the number of turns of the coil is doubled ?

Calculate the magnetic field due to a circular coil of 250 turns and of diameter 0.1m, carrying a current of 7A at the center of the coil .

Calculate the magnetic field due to a circular coil of 250 turns and of diameter 0.1m, carrying a current of 7A at a point on the axis of the coil at a distance 0.12m from the center of the coil.

Calculate the magnetic field due to a circular coil of 100 turns, radius 30 cm, carrying a current of 10 A, (i) at the centre and (ii) at a point 40 cm away from the centre on its axis.

Calculate the magnetic field due to a circular coil of 250 turns and of diameter 0*1m , carrying a current of 7A (i) at the center of the coil (ii) at a point on the axis of the coil at a distance 0*12m from the center of the coil.

State Biot-Savart law, giving the mathematical expression for it. Use this law to derive the expression for the magnetic field due to a circular coil carrying current at a point along its axis. How does a circular loop carrying curent behave as a magnet?