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Electricity Tes...

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  • Question 1
    1 / -0

    Why is tungsten used exclusively for the filament of an incandescent lamp?

  • Question 2
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    How is an ammeter connected in an electric circuit?

  • Question 3
    1 / -0

    Find the incorrect statement:

  • Question 4
    1 / -0

    If a wire of resistivity ‘R’ is stretched to thrice its length, what will be its new resistivity?

  • Question 5
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    Which of the following material is used for electric wire heater?

  • Question 6
    1 / -0

    Ammeter is likely to burn out if you connect it in parallel because:

  • Question 7
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    Two ebonite rods rubbed on fur repel each other because:

  • Question 8
    1 / -0

    A toaster produces more heat than a light bulb when connected in parallel to the 220 V mains. Which of these two has a greater resistance?

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