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GCSE Physics - Alternating Current & Direct Current | AC & DC (2026/27 exams)
⭐️ Check out our website https://www.cognito.org/ ⭐️ *** WHAT'S COVERED *** 1. Alternating Current (AC) * The direction of current is constantly swapping back and forth. * It is produced by an alternating potential difference. * AC is represented by a sine wave on a voltage-time graph. 2. UK Mains Supply as an Example of AC * The UK ...
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