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Electric Curren...

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  • Question 1
    1 / -0

    During a doorbell ringing

  • Question 2
    1 / -0

    Electric doorbell

  • Question 3
    1 / -0

    Armature is pulled towards the spring when it strikes the gong because

  • Question 4
    1 / -0

    What will happen if the striker of a doorbell is kept in a magnetic field in a direction perpendicular to motion of striker

  • Question 5
    1 / -0

    Exposed Electric doorbell can be damaged by 

  • Question 6
    1 / -0

    Match the following

    1. Horse-shoe magneta. Holds the armature in place
    2. Armatureb. Electromagnet
    3. Spring stripc. Passes electric current to the spring strip
    4. Adjusting screwd. Fixed to the spring strip

  • Question 7
    1 / -0

    Which of the following symbol is used for capacitance in circuits?

  • Question 8
    1 / -0

    What does this symbol mean in electric circuit?

  • Question 9
    1 / -0

    What does this symbol mean in electric circuit?

  • Question 10
    1 / -0

    Which component is this?

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