Physics

Problem

Two point charges of

+5\,\mu\text{C}

and

-2\,\mu\text{C}

are placed

3\,\text{cm}

apart inside a medium whose relative permittivity is

\varepsilon_r = 6

. What is the magnitude of the electrostatic force between them? a)

0.167\,\text{N}

16.7\,\text{N}

1.67\,\text{N}

100\,\text{N}