Capacitor Discharge includes the following learning objectives:

  • Sketch graphs to show the variation with time of potential difference, charge and current for a capacitor discharging through a resistor;
  • Define the time constant, ?, of a circuit and use ? = CR;
  • Explain the exponential decay function as having a constant ratio property;
  • Analyse the discharge of a capacitor using exponential decay equations;
  • Perform and describe an experiment to determine the time constant for R-C circuits.

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