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A parallel plate capacitor with air as t...

A parallel plate capacitor with air as the dielectric has capacitance C. A slab of dielectric constant K and having the same thickness as the separation between the plates is introduced so as to fill one-fourth of the capacitor. The new capacitance will be

A

`(k+3)C/4`

B

`(k+2)C/4`

C

`(k+1)C/4`

D

`(KC)/4`

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The correct Answer is:
A
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