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2.1.4 Resistors
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Resistance and the equation

Resistance and the equation

Resistance measures how difficult it is for current to flow through a component. It is measured in ohms, Ω\OmegaΩ, and is calculated using R=VIR = \dfrac{V}{I}R=IV​, where VVV is potential difference in volts and III is current in amperes.

2.1.4 Resistors Lesson

  1. GCSE
  2. /Physics
  3. /2.1.4 Resistors

Step-by-step lessons on AQA GCSE Physics 2.1.4 Resistors. Each one builds up to exam-style questions. Build a strong grip on equations, units and Key Stage 3 fundamentals before tackling the more demanding topics like electromagnetism, the particle model of matter and space physics.