Physics GCSE
LEDs
What LEDs means in Physics GCSE, as defined for AQA.
Definition of LEDs
Check what you remember
Read the wording for your board, then hide it and explain LEDs in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Light emitting diodes, which behave the same way as diodes and emit light only when connected the right way round.
Topics that use LEDs
- Resistors (AQA GCSE)
Related terms
- comparing at fixed pd
- constant resistance
- constant temperature
- decreasing gradient
- diode
- diodes
- direct proportionality
- filament lamp
Using LEDs in the exam
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