Physics A-Level
Hysteresis
What Hysteresis means in Physics A-Level, as defined for AQA, OCR.
Definitions of Hysteresis
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Reference: OCR
A feature of polymeric materials where the loading and unloading curves differ, and the area between them represents energy dissipated per unit volume.
Loss in the core where energy is needed to repeatedly magnetise and demagnetise the iron.
Topics that use Hysteresis
- The operation of a transformer (A-level only) (AQA A-Level)
- Mechanical properties of matter (OCR A-Level)
Related terms
- Brittle
- Ductile
- Efficiency
- Elastic limit
- Elastic potential energy
- Force constant
- Graphical analysis of Hooke's law data
- Hooke's law
Using Hysteresis in the exam
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