Question

Two charges 8 μC and –6 μC are held at certain distance apart in air, attract each other with a force of 12 N. A charge 4 μC is added to each. The electrostatic force between new charges held at same separation in a medium of dielectric constant 2 would be​

Answer 1

Answer:

I have send the process

Explanation:

use coulombs law in 1st condition to find r

and use the same value of r in 2nd condition as shown in solution