Home
Class 12
PHYSICS
A rectangular loop of wire is placed in ...

A rectangular loop of wire is placed in a uniform magnetic field B acting normally to the plane of the loop. If a man attempt to pull it out ofthefield with velocityv as shown in figure-5.338, calculate the power required for this purpose.if resistance of loop is R.

A

Bil.v

B

`(B^2l^2v^2)/R`

C

`(Bl^2v^2)/R`

D

`(Bvl)/R`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    NARAYNA|Exercise EVALUATE YOURSELF -4|4 Videos
  • ELECTROMAGNETIC INDUCTION

    NARAYNA|Exercise EVALUATE YOURSELF -5|8 Videos
  • ELECTROMAGNETIC INDUCTION

    NARAYNA|Exercise EVALUATE YOURSELF -2|6 Videos
  • ELECTRO MAGNETIC WAVES

    NARAYNA|Exercise LEVEL-II(H.W)|14 Videos
  • ELECTROMAGNETIC WAVES

    NARAYNA|Exercise EXERCISE -4|15 Videos

Similar Questions

Explore conceptually related problems

A square loop of side L, resistance R placed in a uniform magnetic field B acting normally to the plane of the loop. If we attempt to pull it out of the field with a constant velocity v, then the power needed is

A square loop is placed in a uniform magnetic field vecB as shown in fig. The power needed to pull it out of the field with a velocity v is proportional to

A conducting loop carrying a current I is placed in a uniform magnetic field ponting into the plane of the paper as shown. The loop will have a tendency to

A cicular current loop of radius a is placed in a radial magnetic field B as shown . The net force acting of the loop is :

A triangular loop of side l carries a current I . It is placed in a magnetic field B such that the plane of the loop is in the direction of B . The torque on the loop is

A current loop of arbitrary shape lien in a uniform magnetic field B. show that the net magnetic force acting on the loop is zero.

A rectangular loop carrying a current i is placed in a uniform magnetic field B. The area enclosed by the loop is A. If there are n turns in the loop, the torque acting on the loop is given by

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 parallel to the plane of the loop. The magnetic torque acting on the loop is-