A small bar magnet of moment M is placed in a uniform field H. If magnet makes an angle of `30^(@)` with field, the torque acting on the magnet is
A
MH
B
`(MH)/(2)`
C
`(MH)/(3)`
D
`(MH)/(4)`
Text Solution
Verified by Experts
The correct Answer is:
B
Topper's Solved these Questions
MAGNETISM
ERRORLESS |Exercise Magnet and it s Properties|15 Videos
MAGNETISM
ERRORLESS |Exercise Earth Magnetism|8 Videos
MAGNETIC EFFECT OF CURRENT
ERRORLESS |Exercise Exercise|394 Videos
RAY OPTICS
ERRORLESS |Exercise SET|25 Videos
Similar Questions
Explore conceptually related problems
A magnetic dipole of moment M is placed in uniform magnetic field B so that angle betweem direction of M and B is theta ,the torque acting on the magnetic dipole is
A bar magnet of magnetic moment 0.4 Am^(2) is placed in a uniform magnetic field of induction 5 xx10^(-2) tesla. What is the torque acting on the magnet if the angle between the magnetic induction and the magnetic moment is 30^(@) .
A short bar magnet is kept in uniform magnetic field of 0.16T such that dipole moment vecotor is at angle 30^(@) with the field. The torque acting on the bar magnet is 0.032 N m. What is magnitude of magnetic dipole moment of the magnet ?
When a bar magnet is placed in a non-uniform magnetic field, it performs
A short bar magnet is kept in uniform magnetic field of 0.16 T such that dipole moment vector is at angle 30^(@) with the field . The torque acting on the bar magnet is 0.032 N m . What is the magnitude of magnetic dipole moment of the magnet ?
A short bar magnetic is placed in a uniform magnetic field of 0.25 T, with its axis at an angle of 30^(@) with the field. If it experiences a torque of magnitude 4.5xx10^(-2) N m, then its magnetic momentum is
A bar magnet of moment M is placed in a magnetic field of indiction B. The torque exerted on it is
A bar magnet of magnetic moment 0.4 Am^(2) is placed in a uniform magnetic field of induction 5 xx10^(-2) tesla. The angle between the magnetic induction and the magnetic moment is 30^(@) . The torque acting on the magnet is
A bar magnet is placed in a uniform magnetic field with its magnetic moment making an angle theta with the field. Write expressions for torque on the bar magnet and potential energy of magnet in this orientation. When it this energy minimum?
If a bar magnet moment M is freely suspended in a uniform magnetic field of strength field of strength B, then the work done in rotating the magent through an angle theta is