Home
Class 12
PHYSICS
A circular coil 'A' has a radius R and t...

A circular coil 'A' has a radius R and the current flowing through it is I.Another circular coil 'B' has a radius 2R and if `2I` is the current flowing through it then the magnetic fields at the centre of the circular coil are in the ratio of

A

0.16736111111111

B

0.084027777777778

C

0.12569444444444

D

0.042361111111111

Text Solution

Verified by Experts

The correct Answer is:
4
Promotional Banner

Similar Questions

Explore conceptually related problems

A circular coil 'A' has a radius R and the current flowing through it is I.Another circular coil 'B' has a radius 2R and if 21is the current flowing through it then the magnetic fields at the centre of the circular coil are in the ratio of

A circular coil 'A' has a radius R and the current flowing through it is I.Another circular coil 'B' has a radius 2R and if 21is the current flowing through it then the magnetic fields at the centre of the circular coil are in the ratio of

A circular coil of average radius 6 cm has 20 turns. A current 1.0 A is set up through it. Find the magnetic induction at (i) The centre of the coil

A circular coil of radius r is fromed by wire of length L.If current I is flowing through it then the magnetic moment Is proportional to

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 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.

If in circular coil of radius R , current I is flowing and in another coil B of radius 2R a current 2I is flowing , then the raatio of the magnetic fields B_(A) and B_(B) , produced by them will be

Magnetic field at the centre of a circular coil of radius R due to curent i flowing through it is B. The magnetic field at a point along the axis at distance R from the centre is :

A circular coil having N turns and radius r carries a current I. It is held in the XZ plane in a magnetic field Bhati . The torque on the coil due to the magnetic field is :