GCSE Physics Unit 4 revision

Quiz on some of the OCR physics unit 4 section.

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1. What causes electrostatic effects?

  • electromagnets rubbing against other surfaces
  • movements of electrons
  • movement of electronic items
  • movement of ions
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Other questions in this quiz

2. Where does electricity want to go?

  • an area with less charge
  • to the earth
  • to the appliance

3. which of these is not a way electric shocks/ earthing can be avoided?

  • earth wires
  • anti-static sprays
  • fuses
  • standing on rubber mats

4. what does a defibrillator do?

  • allows doctors to see the frequency of
  • gives an electric shock
  • listens for a heartbeat
  • looks inside the body without need for surgery, put inside the body as a camera, sometimes injected, sometimes a pill

5. When useing an electrostatic paint sprayer what charge is given?

  • the paint sprayer is negative
  • the paint sprayer and object both have the same charge
  • the paint sprayer is positive
  • both objects have a charge
  • neither has a charge
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