R15.18

Resource Description

  • Parts & components of a simple electric circuit
  • emf & potential difference
  • How a cell works
  • Electron flow in circuits
  • Measuring current Q = I x t, & units
  • Conventional current in a circuit
  • The ammeter – resistance and connection in a circuit
  • The voltmeter – resistance & connection
  • Resistors and resistance
  • Series & parallel resistors – connections and combined resistance & equations
  • Different equations for calculations in circuits – Q = I x t, V = I x R & W = V x Q.

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