Physics GCSE
diodes
What diodes means in Physics GCSE, as defined for AQA.
Definition of diodes
Check what you remember
Read the wording for your board, then hide it and explain diodes in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Components through which current flows in one direction only and which have a very high resistance in the reverse direction.
Topics that use diodes
- Resistors (AQA GCSE)
Related terms
- comparing at fixed pd
- constant resistance
- constant temperature
- decreasing gradient
- diode
- direct proportionality
- filament lamp
- fixed resistors
Using diodes in the exam
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