Home
Class 12
PHYSICS
An infinite straight current carrying co...

An infinite straight current carrying conductor is bent in such a way that a circular loop is formed on it as shown in the figure. If the radius of the loop is R, the magnetic field at the centre of the loop is ..........

A

Infinite

B

Zero

C

`(mu_0)/(4 pi) . (2 I)/(R ) pi`

D

` (mu_0 )/(4 pi). (2I)/(R ) ( pi +1)`

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

A current carrying loop acts like a ......

A circular coil of a wire containing 100 turns each of radius 2cm carries a current of 0.20A. The magnetic field at the centre of the coil is…..

A circular loop enters a uniform magnetic field as shown in the figure. The current induced in the coil ____

A current 1 flows along a triangle loop having sides of equal length a. The strength of magnetic field at the centre of the loop is :

A current carrying wire AB of the length L is turned along a circle, as shown in figure. The magnetic field at the centre O.

A straight wire carrying a current of 12 A is bent into a semicircular arc of radius 2.0 cm as shown in figure (a). Consider the magnetic field vecB at the centre of the arc. (a) What is the magnetic field due to the straight segments ? (b) In what way the contribution to vecB from the semicircle differs from that of a circular loop and in what way does it resemble ? ( c) Would your answer be different if the wire were bent into a semicircular arc of the same radius but in the opposite way as shown in figure (b) ?

Discuss the magnetic field due to a current -carrying circular loop.

Show magnetic field lines due to current carrying loop.