Physics A-Level
Exponential decay and growth
What Exponential decay and growth means in Physics A-Level, as defined for OCR.
Definition of Exponential decay and growth
Check what you remember
Read the wording for your board, then hide it and explain Exponential decay and growth in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Describing quantities that fall according to x = x₀e^(−t/CR) or rise towards a maximum steady value according to x = x₀(1 − e^(−t/CR)).
Topics that use Exponential decay and growth
- Charging and discharging capacitors (OCR A-Level)
Related terms
- Capacitor charging and discharging
- Circuit setup for capacitor investigations
- Current, charge and voltage graphs
- Differential equation for discharging a capacitor
- Discharging circuit
- Exponential charging and discharging
- Exponential decay graph
- Graphical determination of rate of change and time constant
Using Exponential decay and growth in the exam
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