Electricity Generation and Maintenance
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Questions and Answers

What is the purpose of a cell (or battery) in an electric circuit?

  • To use electro-mechanical energy
  • To replenish positive and negative charge
  • To measure the force available to push electrons
  • To provide potential difference (correct)

    • What is the function of a generator in maintaining potential difference in an electric circuit?

  • Supplies chemical energy to the circuit
  • Provides a measure of the force available to push electrons
  • Uses electro-mechanical energy to maintain potential difference (correct)
  • Replenishes positive and negative charge

    • What is the term for the potential difference across the terminals of the source when it is not supplying current?

  • Static potential force
  • Residual potential difference
  • Terminal voltage
  • Electromotive Force (emf) (correct)

    • What is the potential difference across the terminals of the source called when a current is flowing?

    <p>Terminal voltage</p> Signup and view all the answers

    What type of energy does a generator use to maintain the potential difference in an electric circuit?

    <p>Electro-mechanical energy</p> Signup and view all the answers

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