CBSE  /  Class 6  /  Science  /  Electricity and Circuits

  • 1. 
    Cell is a device which

  • converts chemical energy into electrical energy
  • electrical energy into light energy
  • electrical energy into magnetic energy
  • None of these

  • 2. 
    A bulb has

  • two terminals and one filament
  • two terminals and two filaments
  • multiple terminals and single filament
  • single terminal and single filament

  • 3. 
    Filament of a bulb is made up of

  • aluminium
  • chromium
  • platinum
  • tungsten

  • 4. 
    Bulb glows only in

  • closed circuit
  • open circuit
  • in both circuits
  • open circuit if bulb is not fused

  • 5. 
    A battery is

  • a single cell
  • a combination of cells in which cells are joined (+) to (-)
  • a combination of cells in which cells are joined (+) to (+)
  • None of these

  • 6. 
    A substance which allows electricity to pass through it is called

  • a conductor
  • an insulator
  • semiconductor
  • superconductor

  • 7. 
    Which is an example of an insulator

  • bakelite
  • aluminium
  • tap water
  • All of these

  • 8. 
    An example of a conductor is

  • tap water
  • salt solution
  • metal wire
  • all of these

  • 9. 
    How many terminals are there in a dry cell?

  • One
  • Two
  • Three
  • Four

  • 10. 
    To prevent electric shocks, the metallic electrical wires are covered with

  • paper
  • cotton
  • aluminium
  • plastic
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