Question

When an electric dipole does placed in a non uniform electric field experiences a zero torque but non zero force?

Answer 1

Answer:

Consider a dipole with charges +q and –q forming a dipole since they are a distance d away from each other.

Let it be placed in a uniform electric field of strength E such that the axis of the dipole forms an angle θ with the electric field.

the dipole are: F+⊥=+qEsinθ. F−⊥=−qEsinθ.

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