Chemical Effects of Electric Current
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Questions and Answers

What type of materials are good conductors of electricity?

  • Metals (correct)
  • Rubber
  • Wood
  • Plastics

    • Why is it dangerous to touch an electrical appliance with wet hands?

  • Wet hands reduce the resistance of the body
  • Wet hands create an insulating layer
  • Wet hands increase the conductivity of the body (correct)
  • Wet hands cause a short circuit

    • What should be used for all activities suggested in the text?

  • Electric cells (correct)
  • Generator supply
  • Mains supply
  • Inverter supply

    • What should be used to test whether a liquid allows electric current to pass through it or not?

    <p>The same tester used for solid materials, with a battery replacing the cell</p> Signup and view all the answers

    What did the tester in Class VI help in deciding?

    <p>Whether a material allows electric current to pass through it</p> Signup and view all the answers

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