Asked by amy

A capacitor is constructed from two aluminium plates 1.5cm on a side separated by 0.2mm of air.
(A) Calculate the capacitance of the capacitor. (2 sig figures)
(B)Calculate the voltage required to store 1nJ of energy in the capacitor.

Answers

Answered by bobpursley
http://hyperphysics.phy-astr.gsu.edu/hbase/electric/pplate.html C=epsilon*area/separation

energy=1/2 C*V^2
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