Physics A-Level
Photo-conductive mode
What Photo-conductive mode means in Physics A-Level, as defined for AQA.
Definition of Photo-conductive mode
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Reference: AQA
Uses reverse bias and an external supply, giving a wide depletion region and a strong electric field across the junction.
Topics that use Photo-conductive mode
- Photodiode (A-level only) (AQA A-Level)
Related terms
- Band gap and photon energy
- Photocurrent
- Photocurrent against voltage at fixed irradiance
- RC time constant
- Responsivity against wavelength
- Reverse bias
- Scintillator
- Spectral response
Using Photo-conductive mode in the exam
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