BRAINCAKEExponential Decay.
When the charge on capacitor C decreases by ΔQ through fixed resistor R in time Δt, I = V/R where V = Q/C. This means that I = Q/RC and ΔQ the change in charge becomes -QΔt/CR.
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Key terms in this lesson
- capacitor
- A component that stores electric charge, consisting of two conducting plates separated by an insulator, called a dielectric.
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- Discharging a Capacitor through a Fixed Resistor
- The Time Constant RC
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- Charging a Capacitor through a fixed resistor
All 12 lessons in Capacitors · All OCR A-level Physics topics