Question

A parallel plate capacitor of capacitance 1 pF has separation between the plates is d.
When the distance of separation becomes 2d and was of dielectric constant x is inserted
in it the capacitance becomes 2 pF. What is the value of x?
(a) 2
(b) 4
(c) 6
(d) 8

Answer 1

Answer:

6 is correct okbro by