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P2 4.4 Current-Potential difference graphs

P2 4.4 Current-Potential difference graphs

Author: Gemma Boyson
Description:
  • What happens to the resistance of a filament bulb as its temperature increases?
  • How does the current through a diode depend on the potential difference across it?
  • What happens to the resistance of a thermistor as its temperature increases and of an LDR as the light level increases?
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Tutorial

P2 4.4 Resistance and diodes

Short video on resistance and diodes for AQA GCSE Physics P2 4.4

Source: R Pepperell