Number density of charge carriers
What Number density of charge carriers means in Physics A-Level, as defined for OCR.
Definitions of Number density of charge carriers
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Reference: OCR
The number density n of charge carriers available to move distinguishes the three classes of material.
The number of charge carriers per m³, a pure number per unit volume rather than a mass density.
The number of charge carriers per cubic metre, denoted n in the equation I = nAvq.
Topics that use Number density of charge carriers
- Mean drift velocity (OCR A-Level)
Related terms
- Conductors, semiconductors and insulators
- Elementary charge
- Random thermal motion versus drift motion
- Relationship between current and drift velocity
- Temperature dependence of conductivity
- Mean drift velocity
- Microscopic model of current
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