Home
Class 11
PHYSICS
A wire of length l is bent in the form a...

A wire of length l is bent in the form a circular coil of some turns. A current I flows through the coil. The coil is placed in a uniform magnetic field B. The maximum torqur on the coil can be

A

`(iBl^(2))/(4pi)`

B

`(iBl^(2))/(pi)`

C

`(iBl^(2))/(2pi)`

D

`(2iBl^(2))/(pi)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MAGNETIC EFFECT OF CURRENT AND MAGNETISM

    DC PANDEY|Exercise Only One Option is Correct|45 Videos
  • MAGNETIC EFFECT OF CURRENT AND MAGNETISM

    DC PANDEY|Exercise More than One Option is Correct|25 Videos
  • LAWS OF THERMODYNAMICS

    DC PANDEY|Exercise Level 2 Subjective|18 Videos
  • MEASUREMENT AND ERRORS

    DC PANDEY|Exercise Subjective|19 Videos

Similar Questions

Explore conceptually related problems

A constant current I is flowing through a circular coil placed in uniform magnetic field vecB as shown. Then:

A wire of length L is bent to form a circular loop of number of turns n. The coil is placed in a magnetic field of induction B and a current is passed through the coil. What will be the maximum torque acting on the coil?

A wire of length 6.28 m is bent into a circular coil of 2 turns. If a current of 0.5 A exists in the coil, the magnetic moment of the coil is, in A-m^2

A conducting wire of length l is turned in the form of a circular coil and a current I is passed through it. For the torque, due to magnetic field produced at its centre, to be maximum, the number of turns in the coil will be

A wire length 6.28m is bent into a circular coil of 2 turns. If a current of 0.5A exists in the coil, the magnetic moment of the coil is, in Am^(2) :

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

A wire of length L is bent around in the form of a coil having N turns of same radius . If a steady current I flows through it in a clockwise direction, find the magnitude and direction of the magnetic field produced at its centre.

A circular coil having N turns is made from a wire of length L meter. If a current I ampere is passed through it and is placed in amagnetic field of B Tesla, the maximum torque on it is

A wire is bent to form a circular coil of radius 5 cm with 20 loops. The coil is placed in a magnetic field of 0.5 T and a current of 1 A flow through it. Calculate the maximum torque exerted by magnetic field.