Physics GCSE
temperature control
What temperature control means in Physics GCSE, as defined for AQA.
Definition of temperature control
Check what you remember
Read the wording for your board, then hide it and explain temperature control in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
As the room warms the thermistor resistance falls and the potential difference across it falls, and when that reading drops past a set value the control circuit switches the heater off.
Topics that use temperature control
- Resistors (AQA GCSE)
Related terms
- comparing at fixed pd
- constant resistance
- constant temperature
- decreasing gradient
- diode
- diodes
- direct proportionality
- filament lamp
Using temperature control in the exam
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