P5 - The Basics

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  • Created by: cg97
  • Created on: 03-04-13 15:07
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  • P5
    • resistance is caused by the things in the circuit that resist the flow of charge
    • electric current is a flow of charge
    • mains supply= AC
    • battery supply = DC
      • mains supply= AC
    • like charges repel each other
    • opposite charges attract each other
      • like charges repel each other
    • Step-up transformer = increases voltage
    • Step-down transformer = decreases voltage
      • Step-up transformer = increases voltage
    • a magnetic field is a region where magnetic materials experience a force acting on them

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