Physics A-Level
Semiconductor diode
What Semiconductor diode means in Physics A-Level, as defined for AQA.
Definition of Semiconductor diode
Check what you remember
Read the wording for your board, then hide it and explain Semiconductor diode in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Conducts easily in forward bias above about 0.6 V, but has very high resistance in reverse bias, giving an asymmetric curve.
Topics that use Semiconductor diode
- Current–voltage characteristics (AQA A-Level)
Related terms
- Direct proportionality
- Filament lamp
- Graph interpretation
- Ideal ammeter
- Ideal assumption
- Ideal voltmeter
- Non-ohmic behaviour
- Ohmic and non-ohmic behaviour
Using Semiconductor diode in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Physics questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Physics A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge