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YouTubeCognito
GCSE Physics - Plugs & Wires - Earth Wire | Neutral Wire | Live Wire (2026/27 exams)
⭐️ Check out our website https://www.cognito.org/ ⭐️ *** WHAT'S COVERED *** 1. The 3 wires in a three-core cable. * Live wire * Neutral wire * Earth wire 2. The UK Mains Electricity Supply. * Alternating current (AC) * Voltage (230 V) and frequency (50 Hz) 3. The function and properties of each wire. * The specific colour coding for ...
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