Question

What is the area of the plates of parallel plate capacitor of

capacity 2pF with separation between the plates 0.5cm?​

Answer 1

Answer:

Capacitance of a parallel capacitor, V=2F

Distance between the two plates, d=0.5cm=0.5×10

−2

m

Capacitance of a parallel plate capacitor is given by the relation,

C=

d

∈

0

A

A=

∈

0

Cd

Where,

∈

0

= Permittivity of free space =8.85×10

−12

C

2

N

−1

m

−2

∴A=

8.85×10

−12

2×0.5×10

−2

=1130km

2

Hence, the area of the plates is too large. To avoid this situation, the capacitance is taken in the range of μF.

Explanation:

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