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?

A circular coil of wire consisting of 100 turns, each of radius 8.0 cm carries a current of 0.40 A. What is the magnitude of the magnetic field B at 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 wire consisting of 100 turns, each of radius 8*0cm carries a current of 0*40A . What is the magnetude of the magnetic field vecB at the centre of the coil?

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 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

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?

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

A closely wound, circular coil with radius 2.40 cm has 800 turns. (a) What must the current in the coil be if the magnetic field at the centre of the coil is 0.0580 T ? (b) At what distance x from the centre of the coil, on the axis of the coil, is the magnetic field half its value at the centre?

The magnetic field at the centre of the current carrying coil