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There is an air filled 1pF parallel plat...

There is an air filled 1pF parallel plate capacitor. When the plate separation is doubled and the space is filled with wax, the capacitance increases to 2pF. The dielectric constant of wax is

A

8

B

6

C

4

D

2

Text Solution

Verified by Experts

The correct Answer is:
C
`(C_(2))/(C_(1))=(2)/(1)=(epsi_(0)KA)/(2d)xx(d)/(epsi_(0)A)=(K)/(2) " "therefore K=4`
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