A point charge is placed at a distance r from the centre of an uncharged conducting…
Physics · JEE Main · NTA Exams — Electrostatics
A point charge is placed at a distance r from the centre of an uncharged conducting sphere of radius R (< r). The potential at any point on the sphere is
- Zero
- \(\frac{1}{4 \pi \epsilon_{0}} \frac{\mathrm{q}}{\mathrm{r}}\)
- \(\frac{1}{4 \pi \in_{0}} \frac{\mathrm{qR}}{\mathrm{r}^{2}}\)
- \(\frac{1}{4 \pi \epsilon_{0}} \frac{\mathrm{qr}^{2}}{\mathrm{R}}\)
Answer
(B) 1 4 _ 0 q r
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