A thin-walled, spherical conducting shell $S$ of radius $R$ is given charge $Q$. The same amount of charge is also placed at its centre $C. $ Which of the following statements are correct ?
A thin-walled, spherical conducting shell $S$ of radius $R$ is given charge $Q$. The same amount of charge is also placed at its centre $C. $ Which of the following statements are correct ?
- A
On the outer surface of $S$, the charge density is $\frac{Q}{{2\pi {R^2}}}$.
- B
At any point inside $S$, the electric field is inversely proportional to the square of its distance from $C$.
- C
At a point just outside $S,$ the electric field is double the field at a point just inside $S.$
- D
all of the above
Similar Questions
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Figure shows a solid conducting sphere of radius $1 m$, enclosed by a metallic shell of radius $3 \,m$ such that their centres coincide. If outer shell is given a charge of $6 \,\mu C$ and inner sphere is earthed, find magnitude charge on the surface of inner shell is ............. $\mu C$
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- [KVPY 2017]