Physics A-Level
Conductors, semiconductors and insulators
What Conductors, semiconductors and insulators means in Physics A-Level, as defined for OCR.
Definition of Conductors, semiconductors and insulators
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Reference: OCR
Conductors have a very high number density of charge carriers, insulators a very low one, and semiconductors an intermediate value.
Topics that use Conductors, semiconductors and insulators
- Mean drift velocity (OCR A-Level)
Related terms
- Elementary charge
- Number density of charge carriers
- Random thermal motion versus drift motion
- Relationship between current and drift velocity
- Temperature dependence of conductivity
- Mean drift velocity
- Microscopic model of current
Using Conductors, semiconductors and insulators in the exam
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