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(C) For a hollow conducting sphere,the electric field inside the sphere is zero. This implies that the electric potential is constant throughout the i

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$\frac{1}{4\pi \varepsilon_0} \frac{Q}{R}$

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(C) For a hollow conducting sphere,the electric field inside the sphere is zero. This implies that the electric potential is constant throughout the interior of the sphere. The potential at any point inside the sphere is equal to the potential at its surface. The potential at the surface of a sphere of radius $R$ with charge $Q$ is given by $V = \frac{1}{4\pi \varepsilon_0} \frac{Q}{R}$. Since $r = R/3$ is inside the sphere,the potential at this point is also $\frac{1}{4\pi \varepsilon_0} \frac{Q}{R}$.

$A$ hollow conducting sphere of radius $R$ carries a charge $(+Q)$ on its surface. Find the electric potential at a distance $r = R/3$ from its center.

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