Home
Class 12
PHYSICS
The torque acting on a magnetie dipole o...

The torque acting on a magnetie dipole of moment `5 A m^(2)` when placed in an external uniform magnetic induction `1.5 xx 10^(-4)" Wb/m"^(2)` at right angle to magnetic induction is

A

`7.5xx10^-4 Nm`

B

`75xx10^-4 Nm`

C

`1.25xx10^-5 Nm`

D

`1.5xx10^-4 Nm`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • Magnetic Materials

    CHETANA PUBLICATION|Exercise EXERCISE|74 Videos
  • Magnetic Fields due to Electric Current

    CHETANA PUBLICATION|Exercise Exercise|96 Videos
  • MECHANICAL PROPERTIES OF FLUIDS

    CHETANA PUBLICATION|Exercise Exercise|91 Videos

Similar Questions

Explore conceptually related problems

The torque acting on a magnet of magnetic moment 'M' placed in a uniform magnetic field B is

Magnetic dipole moment vecM of the coil, placed in uniform magnetic field of induction vecB does not depend on

A coil of 2000 turns and of mean radius 5 cm, makes 300 revolutions per minute around one of its diameters in a uniform magnetic field of induction 2.5 xx 10^-5 Wb/m^2 at right angles to its axis of rotation .Calculate the maximum e.m.f. induced in the coil and also its r.m.s. value.

The maximum force acting on a straight conductor of length 15 cm, placed in a magnetic field of induction 5 xx 10^(-5) N//A m is 3 xx 10^(-4) N then the current flowing in conductor is

A torque of 25 N m acts on a current carrying coil of area 5 m^(2) and magnetic moment 2 A m^(2) in a magnetic field of induction 2Wb//m^(2) . The angle between normal to coil and magnetic induction is 30^(@) . Then value of current is

If the moment of a magnet is 0.4 A m^(-1) and force seting on esch pote in a uniform magnetic field of induction 3.2 xx 10^(-5)"Wb/m"^(2)" is "5.12 xx 10^(-5)N, the dstance berween the poles of magnet is

A long straight wire carrying current of 30 A is placed in an external unifrom magnetic field of induction 4xx10^(-4) T . The magnetic field is acting parallel to the direction of current. The magnitude of the resultant magnetic inuduction in tesla at a point 2.0 cm away form the wire is

A bar magnet of moment 7.5 Am^2 experiences a torque of 1.5xx10^-4 Nm , when placed inclined at 30^@ in a uniform magnetic field. Find the magnetic induction of the field.

A bar magnet is vibrating in a uniform magnetic induction, the magnitude of which can be changed, its frequency is found to reduce to quarter of the original frequency, when the magnetic induction changes to 1.25 xx10^(-5) frac(wb)(m^2) . Calculate the original magnetic induction.

The ratio of torque acting on a magnet of magnetic moment M' placed in uniform magnetic field when angle between vecM and vecB" are "90^(@) and 0^(@) respectively is magnetic field, it experiences