Question 705036

SCQHARD

A point electric dipole $\vec{P} = p_x\hat{i}$ is placed at a vertical distance $d$ above a grounded infinite conducting $xy$ plane. At a point $\vec{r}$ ( $r \gg d, z > 0$ ) far away from the dipole, the electrostatic potential $V(r)$ varies approximately as

(A)

$\frac{1}{r^2}$

(B)

$\frac{1}{r^6}$

(C)

$\frac{1}{r^3}$

(D)

$\frac{1}{r^4}$

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Question 705036

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