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MCQ

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8 questions · timed · auto-graded

MCQ 11 Mark
We should not touch the switch with wet hands otherwise
  • electricity may pass through our body
  • B
    electricity may not pass through the appliance
  • C
    circuit may break
  • D
    the switch may get off
Answer
Correct option: A.
electricity may pass through our body
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MCQ 41 Mark
In a torch, the source of electricity is
  • A
    the bulb
  • B
    the switch
  • the cell
  • D
    the mains
Answer
Correct option: C.
the cell
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MCQ 51 Mark
The purpose of armature in an electric bell is
  • to make and break the circuit
  • B
    to produce sound
  • C
    to produce magnetic field
  • D
    to provide spring action
Answer
Correct option: A.
to make and break the circuit
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MCQ 61 Mark
An electromagnet is used in
  • A
    electric oven
  • B
    ammeter
  • electric bell
  • D
    radio set
Answer
Correct option: C.
electric bell
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MCQ 81 Mark
A freely suspended magnet rests in
  • A
    east$-$west direction
  • north$-$south direction
  • C
    north$-$east direction
  • D
    north$-$west direction
Answer
Correct option: B.
north$-$south direction
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MCQ - PHYSICS STD 7 Questions - Vidyadip