Odisha Board Solutions for Chapter: Electrostatics, Exercise 1: MODEL QUESTIONS

The ratio of the forces between two small spheres with constant charges: (a)in air and (b) in a medium of dielectric constant $K$ is _____ .

Charge on a body can be any multiple of electron charge.

A body is negatively charged if it loses electrons.

In S.I system of units $\frac{1}{4{\mathrm{\pi \epsilon }}_0}$ is equal to $6\times {10}^9 \mathrm{N} {\mathrm{m}}^2 {\mathrm{C}}^{-2}$.

The charge on an electron is $1.6\times {10}^{-9}$ coulomb.

Gauss's law governs the force between two charges.

Force between two charges increases if a wooden slab is kept between them.

Force between two charges varies directly as the square of the distance between them.