current

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  • Created by: Bev01
  • Created on: 18-01-18 17:29
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  • Current
    • a flow of negatively charged electrons
    • an amp is used to measure current flow
    • potential difference = voltage
    • resistance - electrons find it harder to travel along the wires - symbol ?
    • direct current - flows one way
      • alternating current - changes flow direction constantly and quickly
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