An electric dipole is placed in a uniform electric field. What is the net force acting on it?
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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.
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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