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The capacitance of a capacitor made by a...

The capacitance of a capacitor made by a thin metal foil is `2muF`. If the foil is filled with paperr of thickness 0.15 mm, dielectric constant of paper is 2.5 and width of the paper is 400 mm. what is the length of foil?

A

0.34 m

B

1.33 m

C

13.4 m

D

33.9 m

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The correct Answer is:
D
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