Two charges of each magnitude 0. 01 C and separated by a distance of 0. 4 mm constitute an electric dipole. If the dipole is placed in an uniform electric field 
of 10 dyne. C -1 making 30° angle with 
, the magnitude of torque acting on dipole is:
Text Solution
Verified by ExpertsD
The formula to calculate the dipole moment is given by
...(i)
Substitute the values of the known parameters into equation to calculate the dipole moment.
= 4.0x10 -6 C-m
The formula to calculate the torque on the dipole in the electric field is given by
...
Substitute the values of the known parameters into equation to calculate the required torque.
= 2 x 10 -10 N m
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