To satisfy the Common Practical Assessment Criteria (CPACs) for A-level physics, you need to demonstrate competence in the following areas: following written procedures; applying investigative approaches and methods; safely using equipment and materials; making and recording observations; and researching, planning and reporting (including data analysis).
The awarding bodies for A-level physics require or suggest a number of practical activities that will allow you to satisfy the CPACs. Among other requirements, these expect you to be able to use appropriate ICT, such as computer modelling, a datalogger with a variety of sensors to collect data, or software to process data. You should also be able to use appropriate digital instruments, including electrical multimeters, to obtain a range of measurements including time, voltage and resistance. Measuring the charge and discharge of a capacitor gives an excellent opportunity to practise these skills.
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