Question

$\sf{Solve\:Q.\:20}$ ​

Answer 1

Answer:

Force between two point charges

$\frac{q1q2}{ 4\pi{r}^{2} e}$

e is permeability of air

Replaced by dielectric constant k

force between two point charges =

$\frac{q1q2}{ {r}^{2}4\pi \: ek\ } = \frac{f}{k}$

Brainliest Brainliest Brainliest Brainliest

Answer 2

Answer:

.....................