P2 4.3 Resistance

P2 4.3 Resistance

Author: Gemma Boyson
  • What do we mean by potential difference?
  • What is resistance and what is its unit?
  • What is Ohm's law?
  • What happens if you reverse the current in a resistor?
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P2 4.3 Resistance and Ohm's Law

Short video covering resistance and Ohm's Law for AQA GCSE Physics P2 4.3

Source: R Pepperell

P2 4.3 Resistance in filament lightbulbs

Short video covering resistance in a filament bulb for AQA GCSE Physics P2 4.3

Source: R Pepperell

P3 4.3 Calculating potential difference

Short video describing how to calculate pd from work done and charge for AQA GCSE Physics P3 4.3

Source: R Pepperell