Physics - Electrostatics Question with Solution | TestHub

(P) A point charge Q. Field at a point at a distance r from it.

(1) 0

(Q) An infinite linear charge having charge per unit length $=\lambda$. Field at a distance r from it.

(2) $\frac{\sigma }{2{ϵ}_0}$

(R) An infinite sheet of charge having charge per unit area $=\sigma$. Field at a distance r from it.

(3) $\frac{\lambda }{2\pi {ϵ}_{0}r}$

(S) A uniform hollow sphere of radius R and total charge Q. Field at a point inside the sphere at a distance r from centre.

(4) $\frac{Q}{4\pi {ϵ}_0{r}^2}$

(5) $\frac{\sigma }{{ϵ}_0}$