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6. Direct current is used for...

  • Cells / Batteries
  • Mains Supply

7. Potential difference is another name for Voltage...

  • True
  • False

8. Resistance is measured in...

  • Power difference
  • Ohms
  • Volts
  • Resisties

9. Which one of these DOESN'T resist the flow of charge?

  • Lamps
  • Motors
  • Cells
  • Resistors

10. A 4Watt light bulb works at a current of 2A. What is the potential difference?

  • 2W
  • 2V
  • 2A

11. Electrons are ____________ charged.

  • Negatively
  • Positively

12. Which of these electrical appliances has the highest efficiency?

  • Electric Motor
  • Television
  • Kettle
  • Light Bulb