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Electricity
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capacitance
ratio of charge to potential on a conductor
what is a capacitor
a capacitor is a device capable of storing charge
capacitance of a parallel plate capacitor
C=3AD
factors that affect capacitance
distance between plates and area of overlap
distance between plates
greater distance between plates decreases it
parallel plate capacitor
two identical parallel conducting plates separated by an insulator
dielectric material
substance that is a poor conductor but an efficient supporternof electrostatic field
uses of capacitors
filtering frequencies and flash guns
electric permitivity
ability of a substance to hold a charge