Question

find torque to electric dipole placed a in uniform electric field​

Answer 1

Answer:

→F+=+q→E.

→F−=−q→E. The components of force perpendicular to the dipole are:

F+⊥=+qEsinθ

F−⊥=−qEsinθ. Since the force magnitudes are equal and are separated by a distance d, the torque on the dipole is given by: ...

τ=dqEsinθ Since dipole moment is given by:

p=qd. ...

τ=−pEsinθ ...

→τ=→p×→E.