Physics A-Level
Differential equation for discharging a capacitor
What Differential equation for discharging a capacitor means in Physics A-Level, as defined for OCR.
Definition of Differential equation for discharging a capacitor
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Reference: OCR
The equation ΔQ/Δt = −Q/CR describes the rate of change of charge Q on a discharging capacitor, where C is capacitance, R is resistance and CR is the time constant τ.
Topics that use Differential equation for discharging a capacitor
- Charging and discharging capacitors (OCR A-Level)
Related terms
- Capacitor charging and discharging
- Circuit setup for capacitor investigations
- Current, charge and voltage graphs
- Discharging circuit
- Exponential charging and discharging
- Exponential decay and growth
- Exponential decay graph
- Graphical determination of rate of change and time constant
Using Differential equation for discharging a capacitor in the exam
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