Home
Class 12
PHYSICS
A superconducting loop of radius R has s...

A superconducting loop of radius `R` has self inductance `L`.`A` uniform & constant magnetic field `B` is applied perpendicular to the plane of the loop. Initially current in this loop is zero. The loop is rotated about its diameter by `180^(@)`.Find the current in the loop after rotation.

Text Solution

Verified by Experts

The correct Answer is:
`(2BpiR^(2))/(L)`
Promotional Banner

Similar Questions

Explore conceptually related problems

A current loop in a magnetic field

A circular loop of radius R is kept in a uniform magnetic field pointing perpendicular into the plane of paper. When a current l flows in the loop, the tension produced in the loop is

A conducting loop (as shown) has total resistance R. A uniform magnetic field B=gammat is applied perpendicular to plane of the loop where gamma is a constant and t is time. The induced current flowing through loop is

A conducting loop (as shown) has total resistance R. A uniform magnetic field B = gamma t is applied perpendicular to plane of the loop where gamma is constant and t is time. The induced current flowing through loop is

A loop of radius R and mass m is placed in a uniform magnetic field B with its plane perpendicular to the field. Current I is flowing in it. Now loop is slightly rotated about its diameter and released. Find time period of oscillation.

A conducting circular loop of radius r carries a constant current i. It is placed in a uniform magnetic field B such that B is perpendicular to the plane of loop. What is the magnetic force acting on the loop?

A circular loop of wire is carring a current i (as shown in the figure). On applying a uniform magnetic field inward perpendicular to the plane of the loop, the loop

A loop PQR carries a current i = 2A as shown in the figure. A uniform magnetic field B = 2T exists in space parallel to the plane of the loop . The magnetic torque on the loop is

A conducting circular loop of radiius r carries a constant current i . It is placed in a uniform magnetic field vec(B)_(0) such that vec(B)_(0) is perpendicular to the plane of the loop . The magnetic force acting on the loop is

A conducting square loop of side l and resistance R moves in its plane with a uniform velocity v perpendicular ot one of its sides. A uniform and constant magnetic field B exists along the perpendicualr ot the plane of the loop as shown in . The current induced in the loop is