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Electricity Tes...

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  • Question 1
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    A cylindrical conductor of length l and uniform area of cross-section A has resistance R. Another conductor of length 2l and resistance R of the same material must have area of cross-section

  • Question 2
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    A current of 1A is drawn by a filament of an electric bulb. Number of electrons passing through a cross-section of the filament in 16 seconds would be roughly

  • Question 3
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    Out of the three bulbs: 25 W, 60 W and 100 W, which bulb has least resistance?

  • Question 4
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    In an electrical circuit two resistors 2 Ω and 4Ω respectively are connected in series to a 6 V battery. The heat dissipated by the 4 Ω resistor in 5 s will be

  • Question 5
    1 / -0

    Two resistors of resistances 2 Ω and 4 Ω when connected with a battery will have

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