Question

Q6. Capacitor with 2 dielectrics

A parallel plate capacitor is filled with two

dielectric slabs as shown. The plate area is

A and the distance between the plates is d.

a) Show the capacitance is

2€ A

d

Ceq

=

K1 K2

K₁ + K₂,

1+1

K₁

b) Evaluate Ceq for Paper, of K₁ = 3.5, and for Porcelain, of K₂ = 6.5.

K₂

Area A

Question image 1