Physics A-Level
Direct and alternating potential difference
What Direct and alternating potential difference means in Physics A-Level, as defined for AQA.
Definition of Direct and alternating potential difference
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Reference: AQA
For a dc input the steady vertical displacement from the zero line is read, while for an ac input the amplitude is measured from the centre line to a peak.
Topics that use Direct and alternating potential difference
- Alternating currents (A-level only) (AQA A-Level)
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Using Direct and alternating potential difference in the exam
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