Physics A-Level
variable resistor
What variable resistor means in Physics A-Level, as defined for AQA.
Definition of variable resistor
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Reference: AQA
A component that changes its resistance by hand, so the output p.d. can be set or adjusted.
Topics that use variable resistor
- Potential divider (AQA A-Level)
Related terms
- LDR
- Potential divider
- Sensors in potential divider circuits
- thermistor
- Resistance ratio and potential difference
- Variable resistors and potentiometers
Using variable resistor in the exam
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