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Class 7
Science :- Electric Current and its Effects_part 1

How are wires connected to a battery?

  • The positive terminal is connected to the negative terminal
  • The positive terminal is connected to positive terminal
  • The negative terminal is connected to negative terminal
  • None of these

    • Answer

    Which among these converts electrical energy to heat?

  • Geyser
  • Immersion rod
  • Hairdryer
  • All of these

    • Answer

    Where can the key or switch be placed in the circuit?

  • Right side of the battery
  • Near the positive terminal of the bulb
  • Can be placed anywhere in the circuit


  • Left side of the battery

    • Answer

    Wire in the bulb which glows is known as?

  • Filament
  • Element
  • Conductor
  • Resistor

    • Answer

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