A hollow metal sphere of radius $R$ is uniformly charged. The electric field due to the sphere at a distance r from the centre
A hollow metal sphere of radius $R$ is uniformly charged. The electric field due to the sphere at a distance r from the centre
- [NEET 2019]
- A
increases as $\mathrm{r}$ increases for $\mathrm{r}<\mathrm{R}$ and for $\mathrm{r}>\mathrm{R}$
- B
zero as $\mathrm{r}$ increases for $\mathrm{r}<\mathrm{R}$, decreases as $\mathrm{r}$ increases for $\mathrm{r}>\mathrm{R}$
- C
zero as $\mathrm{r}$ increases for $\mathrm{r}<\mathrm{R},$ increases as $\mathrm{r}$ increases for $\mathrm{r}>\mathrm{R}$
- D
decreases as $\mathrm{r}$ increases for $\mathrm{r}<\mathrm{R}$ and for $\mathrm{r}>\mathrm{R}$
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Obtain the expression of electric field by ......
$(i)$ infinite size and with uniform charge distribution.
$(ii)$ thin spherical shell with uniform charge distribution at a point outside it.
$(iii)$ thin spherical shell with uniform charge distribution at a point inside it.
Obtain the expression of electric field by ......
$(i)$ infinite size and with uniform charge distribution.
$(ii)$ thin spherical shell with uniform charge distribution at a point outside it.
$(iii)$ thin spherical shell with uniform charge distribution at a point inside it.