Question

Electric field between the plates of a capacitor is 5kV/m, separation between plates is 2 mm and dielectric constant of medium is 2. The surface charge density on plates will be :-
(1) 17 x 10-8 C/m²
(2) 8.85 x 10-12 C/m2
(3) 8.85 x 10-8 C/m²
(4) 4.4 x 10-8 C/m² ​

Answer 1

Explanation:

formula is E=V/D= sigma/epsilonnot . epsilon r

8.85x10^-8