Resistor Revision questions for AQA GCSE Physics

Make sure that you can answer these questions

  1. What is meant by an Ohmic Conductor?
  2. What can you say about the resistance of an Ohmic conductor?
  3. What can be said about the temperature of an Ohmic conductor?
  4. Look at the current/potential difference graph for an Ohmic Conductor?
  5. What is plotted on the x-axis?
  6. What is plotted on the y axis?
  7. Is the resistance constant for the following components as current changes? Lamp, Thermistor, Diode and Light Dependent Resistor.
  8. What happens to the resistance of a filament lamp as the temperature of the filament lamp increases?
  9. Learn the shape of the current/voltage graph for a filament lamp.
  10. What is a diode and what does it do?
  11. Learn the shape of the current/voltage graph for a diode.
  12. What happens to the resistance of a thermistor as the temperature of the resistance increases?
  13. State an application of a thermistor?
  14. What happens to the resistance of an LDR as light intensity increases?
  15. State a few applications of an LDR.

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Required Practicals – few online videos to help

The required practical for this section is

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