Physics A-Level
Constant-ratio property
What Constant-ratio property means in Physics A-Level, as defined for OCR.
Definition of Constant-ratio property
Check what you remember
Read the wording for your board, then hide it and explain Constant-ratio property in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
For equal time intervals, the ratio of the quantity at the end of the interval to that at the start is constant.
Topics that use Constant-ratio property
- 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 and growth
- Exponential decay graph
Using Constant-ratio property in the exam
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