Home
Class 12
PHYSICS
A magnet of total magnetic moment 10^(-2...

A magnet of total magnetic moment `10^(-2)hati " A-m"^(2)` is placed in a time varying magnetic field, `Bhati(cosomegat)` where B = 1 Tesla and `omega` = 0.125 rad/s. The work done for reversing the direction of the magnetic moment at t = 1 second, is :

A

0.01 J

B

0.007 J

C

0.028 J

D

0.014 J

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • JEE MAINS

    JEE MAINS PREVIOUS YEAR ENGLISH|Exercise Chemistry|1 Videos

  • JEE MAIN

    JEE MAINS PREVIOUS YEAR ENGLISH|Exercise All Questions|452 Videos

  • JEE MAINS 2020

    JEE MAINS PREVIOUS YEAR ENGLISH|Exercise PHYSICS|250 Videos

Similar Questions

Explore conceptually related problems

A magnet of magnetic moment 50 hat(i) A-m^(2) is placed along the x-axis in a magnetic field vec(B)=(0.5hat(i)+3.0hat(j))T . The torque acting on the magnet is

A magnet of magnetic moment 50hati Am^(2) is placed along the x=axis in a uniform magnetic field vecB = (0.5 hati + 3.0 hatj)T . What are the net force and torque experienced by the dipole ?

A dipole of magnetic moment vec(m)=30hatjA m^(2) is placed along the y-axis in a uniform magnetic field vec(B)= (2hat i +5hatj)T . The torque acting on it is

A magnet of magnetic moment 20 A - m^(2) is freely suspended is a uniform magnetic field of strength 6 T . Work done to rotate it by 60^(@) will be .

A bar magnet of magnetic moment vec(M) is placed in a magnetic field of induction vec(B) . The torque exerted on it is

A magnet of magnetic moment 2JT^(-1) is aligned in the direction of magnetic field of 0.1T . What is the net work done to bring the magnet normal to the magnrtic field?

A magnet of magnetic moment M is rotated through 360^(@) in a magnetic field H, the work done will be

The potential enargy of bar magnet of magnetic moment 8 Am ^(2) placed in a uniform magnetic field of 2 T at an angle of 120^(@) is equal to

A magnetic dipole with magnetic moment M is placed at right angles to a magnetic field B. If it is rotated by an angle of 180^(@) , the total work done is

A bar magnet of magnetic moment 1.5JT^-1 lies aligned with the direction of a uniform magnetic field of 0.22T . (a) What is the amount of work done to turn the magnet so as to align its mangetic moment (i) normal to the field direction, (ii) opposite to the field direction? (b) What is the torque on the magnet in cases (i) and (ii)?