3.4.5

Potential Difference

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Potential Difference

Potential Difference is another name we give to voltage.

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Voltage

  • Potential difference is another name we give for voltage.
  • You need a potential difference or voltage for current to flow in a circuit.
  • The most common ways of providing a potential difference is by adding a cell or battery.
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Measuring potential difference

  • Potential difference is measured in Volts.
  • The symbol we use is ā€˜Vā€™.
  • A voltmeter is the device we use to measure the potential difference.
  • Voltmeters are added to a circuit in parallel. Voltmeters measure the potential difference between two points.

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