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A level Physics - OCR A (New spec.) > Capacitors > Flashcards

Flashcards in Capacitors Deck (3)
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1

Capacitor

Component that stores charges, consisting of 2 plates separated by an insulator (dielectric)

2

Exponential Decay

Constant-ratio process in which a quantity decreases by the same factor in equal time intervals

3

Time Constant

Product of capacitance and resistance for a capacitor-resistor circuit. Time taken for p.d., current or charge to decrease to e^-1 of its initial value, when the capacitor discharges through a resistor.
Symbol T