AS Physics Unit 2 Resistance

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Author:
HLHSscience
ID:
197570
Filename:
AS Physics Unit 2 Resistance
Updated:
2013-02-03 10:09:54
Tags:
Resistance
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Description:
Resistance
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  1. What does Ohm's law state?
    At a fixed temperature, the current through a conductor is proportional to the pd across its ends
  2. Is resistivity a property of an object or a material?
    A material. The property of an object is called resistance
  3. What is the unit of resistance and its symbol?
    Ohm

  4. What is this device?
    A diode
  5. What is this device?
    • A thermistor
    • (Negative Temperature Coefficient -NTC)
  6. What is this device?
    A filament lamp
  7. What is this device?
    A fixed resistor

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