A parallel plate capacitor has capacitance C, when there is vacuum within the parallel plates. A sheet having…

Question

A parallel plate capacitor has capacitance $C$ , when there is vacuum within the parallel plates. A sheet having thickness $\frac{1}{3}d$ of the separation between the plates and relative permittivity $K$ is introduced between the plates. The new capacitance of the system is:

A
$\frac{3KC}{2K+1}$
B
$\frac{CK}{2+K}$
C
$\frac{3CK^2}{(2K+1)^2}$
D
$\frac{4KC}{3K-1}$

Accepted Answer

A. $$\frac{3KC}{2K+1}$$

Answer

B. $$\frac{CK}{2+K}$$

Answer

C. $$\frac{3CK^2}{(2K+1)^2}$$

Answer

D. $$\frac{4KC}{3K-1}$$

Answer & step-by-step solution

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