Home
Class 12
PHYSICS
An electric dipole with dipole moment 4 ...

An electric dipole with dipole moment `4 xx 10^(-9) cm` is kept at `30^@` with the direction of uniform electic field of magnitude `5 xx 10^4 NC^(-1)`. The magnitude of torque on the dipole is

A

`10^(-4) Nm`

B

`10^(-5)Nm`

C

`10^4Nm`

D

`2 xx 10^(-5) Nm`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

An electrle dipole with dipole moment 4 xx 10^(-9)Cm is aligned at 30^@ with the direction of a uniform clectric field of magnitude 5 xx 10^(4)NC^(-1) Calculate the magnitude of the torque acting on the dipole.

A magnetised needle of magnetic moment 3.6 xx 10^(-2) T^(-1) is placed at 30^(@) with the direction of uniform magnetic field of magnitude 2 xx 10^(-2)T . Calculate the torque acting on the needle.

A square coil of side 10 cm consists of 20 turns and carries a current of 12 A. The coil is suspended vertically and the normal to the plane of the coil makes an angle of 30° with the direction of a uniform horizontal magnetic field of magnitude 0.8 T. What is the magnitude of the torque experienced by the coil?

An electric dipole of dipole moment p is aligned parallel to a uniform elec tric field E.The energy required to rotate the dipole by 90^@ is

An electric dipole is placed at an alignment angle of 309^@ with an electric field of 2 xx 10^5 N C^(-1) . It experiences a torque equal to 8 Nm. The charge on the dipole if the dipole legth is 1 cm is

An electric dipole is placed at an alignment angle of 30^(@) with an electric field of 2xx10^(5) N C^(-1) . It experiences a torque equal to 8 N m. The charge on the dipole if the dipole length is 1 cm is ……………

An electric dipole of dipole moment vecp is placed in a uniform external electric field vecE. Then the