The plates of a parallel-plates capacitor each have an area, Ask an Expert

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The plates of a parallel-plates capacitor each have an area of 4.0cm^2 and are seperated by 0.02mm. The plates are charged with 30 uC

(a) what is the Capacitance?

(b) What is the potential differences between the plates?

(d) The space between the plates are filled with a dielectric with constant 1.30. What is the new capacitance?

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