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  • Created by: Shannon
  • Created on: 30-05-13 09:00
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    • The resistance of a light dependent resistor (LDR) decreases as light intensity increases
    • The resistance of a thermistor decreases as the temperature increases
      • Can be used to switch on a heater if the temperature gets too cold
    • The total resistance will decrease if the resistors are arranged in parallel
    • The output voltage is a fixed proportion of the supply voltage
      • Can be altered
    • Some electronic components start working at a threshold voltage
      • A variable resistor allows the threshold voltage to be set
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