Problem: If a dipole made up of charges in an electric field  E has its dipole moment p aligned parallel to the direction of E, what is the magnitude of the torque on the dipole due to the electric field? (|p| = qd, where d is the distance between the ends of the dipole and q is the magnitude of the charge on each end of the dipole) A. τ = qdE/2 B. τ = qdE/4 C. τ = qdE D. τ = 0

Problem Details

If a dipole made up of charges in an electric field  E has its dipole moment p aligned parallel to the direction of E, what is the magnitude of the torque on the dipole due to the electric field? (|p| = qd, where d is the distance between the ends of the dipole and q is the magnitude of the charge on each end of the dipole)

A. τ = qdE/2

B. τ = qdE/4

C. τ = qdE

D. τ = 0