A parallel plate capacitor of area 10cm2 in vacuum has a capacitance of 10-2\(\mu\)F. What is the distance between the plates?(e = 9 x 10-12fm)

A.

9 x 10-13m

B.

9 x 10-7m

C.

9 x 10-3m

D.

9 x 107m

View answer & explanation

Correct answer is B

C = \(\frac {\varepsilon_o\ A}{d}\)

10-2 x 10-6 = \(\frac {9 \times 10 ^{-12}}{d}\) x 10-4

= 9 x 10-7m

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