Exercise

When ${10}^{14}$ electrons are removed from a neutral metal sphere, the charge on the sphere becomes

Which of the following materials is an insulator?

Generally the grounding is provided for

A body can be charged by:

When two bodies are rubbed against each other,

The spatial distribution of the electric field due to charges $\left(A, B\right)$ is shown in figure. Which one of the following statements is correct:

Which of the following figure represents the electric field lines due to a single positive charge?

Gauss's law is valid for