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What is an atom? #physics #atoms #electrons
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What is electrical resistance? - Electricity Explained - (4)
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🔌 Basic Electricity - What is voltage?
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Is it the volts or amps that kill?
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What is electricity? - Electricity Explained - (1)
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How 3 Phase Power works: why 3 phases?
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I never understood why a moving charge produces a magnetic field... until now!
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