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Question

In a parallel plate capacitor, the capacity increases if :

A
area of the plate is decreased
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B
distance between the plates increases
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C
area of the plate increases
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D
dielectric constant decrease
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Solution

The correct option is D area of the plate increases
Capacitance of a parallel plate capacitor is given by
C=Aϵd
where A is the area of the plates, d is the distance between the plates.
Hence CA
and C1d
and Cϵ
Thus the correct answer is option C.

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