Question

A point Q lies on the perpendicular bisector of an electrical
dipole of dipole moment p. If the distance of Q from the
dipole is r (much larger than the size of the dipole), then
the electric field at Q is proportional to
(a) p⁻¹ and r⁻² (b) p and r⁻²
(c) p² and r⁻³ (d) p and r⁻³

Answer 1

Answer:

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