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7. Two circular metal plates, separared by a distance 8.85 mm forms 40 nF capacitance. The...

7. Two circular metal plates, separared by a distance 8.85 mm forms 40 nF capacitance. The space between the plates are filled with Tefflon material with epsilon_r = 2.2. Calculate the area of each plate.

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Answer #1

The capacitance of a capacitor is given by the formula

where,

= Permittivity of substance present in between the plates of the capacitor

A = Area of each plate of the capacitor

d = Distance between the two plates of the capacitor

The space between the plates is filled with Teflon material with

therefore,

Therefore,

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