Home
Class 12
PHYSICS
The work done in turning a magnet of ma...

The work done in turning a magnet of magnetic moment M by an angle `90^(@)` to the work done in turning it through an anlge of `60^(@)` is

A

`1/2`

B

2

C

`1/4`

D

1

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MAGNETOSTATICS

    MODERN PUBLICATION|Exercise MULTIPLE CHOICE QUESTION (LEVEL I) (ASSERTION AND REASONING)|2 Videos
  • MAGNETOSTATICS

    MODERN PUBLICATION|Exercise MULTIPLE CHOICE QUESTION (LEVEL I) (PARAGRAPH QUESTIONS )|1 Videos
  • LAWS OF MOTION

    MODERN PUBLICATION|Exercise Revision test|43 Videos
  • MOCK TEST-1

    MODERN PUBLICATION|Exercise MCQs|47 Videos

Similar Questions

Explore conceptually related problems

Express work done in terms of force and displacement.

The work done to move a charge on an equipotenital surface is

A magnet of magnetic moment 10 Am^2 is freely suspended in a uniform magnetic field of strength 5 T. The work done in rotating the magnet through an angle 60^@ is given by :

The working of magnetic braking of trainsis based on

A magnet of magnetic moment M is freely suspended in a constant uniform magnetic field of intensity H. Calculate work done in deflecting the magnet through an angle theta from the direction of H.

The work done by a force acting on a body is a shwon in the graph. The total work done in covering an initial distance of 20 m is

A short bar magnet placed with its axis at 30^@ with an extemal field of 800 G experiences a tunque of 0.016 Nm, (a) What is the magnetic moment of the magnet? (b) What is the work done in moving it from its most stable to most unstable position? (c) The bar magnet is replaced by a solenoid of cros B-sectional area 2 xx 10^(-4) m^(2) and 1000 tums, but of the same magnetic moment. Determine the current flowing through the solenoid.

Obtain an expression for the work done in a adiabatic process.