Question

When two-point charges are placed some distance apart in vacuum experience a force of 800 N, what will be the force between charges in a medium of dielectric constant 80?​

Answer 1

Answer:

F/4

F=

4πϵ

0

ϵ

r

2

Fd

2

q

1

q

2

Fα

ϵ

r

1

For vacuum ϵ

r

=1,

ϵ

r

of medium =4

∴ F for medium will be F/4.