Question

2 small charged bodiea placed 15 cm apert in a liquid experience a net electrostaitcs force of 20 N each. However when taken out of the liquid and placed same distance apart in air the force increases 200 %. What is dielectric constant of liquid​

Answer 1

Answer:

Correct option is

D

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.