Home
Class 12
PHYSICS
Due to 10 A of current flowing in a circ...

Due to 10 A of current flowing in a circular coil of 10 cm radius , the magnetic field produced at its centre is `3.14 xx 10^-3Wb//m^2`.The number of turns in the coil will be

A

5000

B

100

C

50

D

25

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

The magnetic induction at the centre of a current carrying circular coil of radius 10cm is 5sqrt(5) times the magnetic induction at a point on its axis. The distance of the point from the centre of the coil in m is

A flat circular coil of 70 turns and radius 10 cm carriers a current I. If the magnetic field at the centre of the coil is 0.003 wb//m^2 , find the value of current.

A circular coil of radius R carries a current i . The magnetic field at its centre is B . The distance from the centre on the axis of the coil where the magnetic field will be B//8 is

The magnetic moment of a current (i) carrying circular coil of radius (r) and number of turns (n) varies as

The electric current in a circular coil of two turns produced a magnetic induction of 0.2 T at its centre. The coil is unwound and then rewound into a circular coil of four turns. If same current flows in the coil, the magnetic induction at the centre of the coil now is

A circular coil of 300 turns and diameter 14 cm carries a current of 15 A .The magnitude of magnetic moment associated with the coil is

A circular coil of radius 40 mm consists of 250 turns of wire in which the current is 20 mA. The magnetic field at the centre of the coil is

The strength of the magnetic field along solenoid having 5000 turns per meter is 3.14 xx 10^-2 T . The current flowing through the solenoid is

A long wire carries a steady current . It is bent into a circle of one turn and the magnetic field at the centre of the coil is B . It is then bent into a circular loop of n turns. The magnetic field at the centre of the coil will be

A current i flows in a circular coil of radius r . If the coil is placed in a uniform magnetic field B with its plane parallel to the field, magnitude of the torque that acts on the coil is