Self Studies

Electric Curren...

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  • Question 1
    1 / -0

    Match the two columns and select the correct option.

    Column I Column II
    (a) Bulb (i) Electromagnet
    (b) Crane (ii) Heater coil
    (c) Electric iron (iii) Filament

  • Question 2
    1 / -0

    What is the difference between the wires used in the elements of an electric heater and a fuse?

  • Question 3
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    What will happen to the strength of magnetic field if we increase the radius of the solenoid?

  • Question 4
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    In which of the following is an electromagnet used?

  • Question 5
    1 / -0

    Four cells, each of voltage `V` across them, are joined in parallel to form a battery. What will be the equivalent voltage of the battery?

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