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an electric dipole is placed in a uniform field,the net force and net torque on the dipole is

an electric dipole is placed in a uniform field,the net force and net torque on the dipole is
 

Grade:11

1 Answers

Arun
25750 Points
5 years ago

Net force on a dipole is zero as both the charges are oppositely pulled.

But if the dipole makes some angle with electric field it experiences a torque that will try to align itself with the electric field(its a restoring torque) it is equal to,

T(torque)=ExP=2qaEsin@

Here(P) is equal to dipole moment,(E)is equal to electric field,(q)is equal o magnitude of one of the charge of dipole,(2a) is the length of dipole and ( ) is the angle between the electric field and dipole axis.

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