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a parallel plate air capacitor

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The plates of a parallel plate air capacitor are 1.2 nm apart and area of each plate is 20 x 10^-4 m^2.
Find the capacitance.

It is connected to a 40 V battery.
(i) What is the charge on each plate?
(ii) What is the energy stored in the capacitor?

Repeat the calculations for the same capacitor with the air gap replaced by a medium of dielectric constant 5.7.

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Solution Summary

A parallel plate air capacitor is investigated, such as capacitance, charge, and energy stored.

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