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  • Created by: Shannon
  • Created on: 28-05-13 13:17
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  • Resisting
    • Resistance of a wire depends on its length
      • Variable resistor-changing the length of the wire in the circuit
      • The longer the wire, the greater the resistance
    • A resistor obeys Ohm's Law
    • The steeper the gradient, the greater the resistance
    • The higher the resistance, the lower the current
      • The higher the current, the brighter the bulb
    • Bulb- non-ohmic resistance
      • Wire-ohmic resistance


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