Question

The plates of a parallel plate capacitor are
separated by a distance d with air as the medium
between the plates. In order to increase the
capacity by 66%, a di-electric slab of dielectric
constant 5 is introduced between the plates. The
thickness of the di-electric slab is

(1) d/4 (2) d/2

(3) 5d/8 (4) d​

Answer 1

Answer:

3) 5d/8 is answer dear friend