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Current Electri...

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  • Question 1
    4 / -1

    When the length and area of cross-section both are doubled, then its resistance

  • Question 2
    4 / -1

    The resistivity of a wire

  • Question 3
    4 / -1

    Ohm\'s law is true

  • Question 4
    4 / -1

    A wire of a certain material is stretched slowly by ten percent. Its new resistance and specific resistancebecome respectively

  • Question 5
    4 / -1

    Drift velocity vd varies with the intensity of electric fieldas per the relation

  • Question 6
    4 / -1

    Which of the following statement is correct?

  • Question 7
    4 / -1

    In a conductor 4 coulomb of charge flows for 2 seconds. The value of electric current will be

  • Question 8
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    The specific resistance of a wire is ρ, its volume is 3m3 and its resistance is 3 ohm, then its length will be

  • Question 9
    4 / -1

    62.5 × 1018 electrons per second are flowing through awire of area of cross-section 0.1 m2, the value of current flowing will be

  • Question 10
    4 / -1

    In a closed circuit, the current I (in ampere) at an instant of time t (in second) is given by I = 4 – 0.08 t. The number of electrons flowing in 50s through the cross-section of the conductor is

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