Physics A-Level
Practical control systems
What Practical control systems means in Physics A-Level, as defined for AQA.
Definition of Practical control systems
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Reference: AQA
Circuits in which a thermistor can switch on a heater when it is cold or trigger a cooling fan when it is hot.
Topics that use Practical control systems
- Resistivity (AQA A-Level)
Related terms
- Charge carriers and scattering
- Experimental determination of resistivity
- Graphical analysis using gradients
- Magnetic field generation
- Materials and critical limits
- Measurement uncertainty and control of variables
- Non-linear resistance–temperature graphs
- ntc thermistor
Using Practical control systems in the exam
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