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The capacity of a parallel plate air cap...

The capacity of a parallel plate air capacitor is `10muF`. As shown in the figure this capacitor is divided into two equal parts, these parts are filled by media of dielectric constants `K_1=2 and K_2=4,` capacity of this arrangement will be:

A

`20muF`

B

`30muF`

C

`10muF`

D

`40muF`

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The correct Answer is:
B
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