0041

Question : Two point charges placed at a certain distance r in air exert a force F on each other. Then the distance r' at which these charges will exert the same force in medium of dielectric constant k is given by 

a)r
b)r/k
c)r/√k
d)None of the above.

Doubt by Rimjhim

Solution : Coming Soon.

Ans : 
c)r/√k