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Force and Torque on Electric Dipole • The net force on an electric dipole in a uniform electric field vanishes. ~ that tends to align the vector p • However, this dipole experiences a torque ~τ = p ~×L ~ ~ with the vector E. • Now consider an electric dipole that is already aligned (locally) with a nonuniform electric field. This dipole experiences a net force that is always in the direction where the field has the steepest increase. tsl328 – p.1/1