Potential Dividers addresses the following learning objectives:

  • Understand the use of potential divider circuits to provide a constant or variable potential difference from a power supply;
  • Recall and use the potential divider formula;
  • Explain the use of thermistors, LDRs and strain gauges in potential divider circuits and how they provide a potential difference output dependent on temperature, light level and strain respectively;
  • Describe the structure of a metal wire strain gauge;
  • Understand the uses of a potentiometer.

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