Electrostatics Question 38

Question: 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 to2pF . The dielectric constant of wax is [MNR 1998; KCET 2005]

Options:

A) 2

B) 4

C) 6

D) 8

Show Answer

Answer:

Correct Answer: B

Solution:

C=ε0Ad=1pF and C=Kε0A2d=2pF

K = 4.



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