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A wire carries a constant current of 10A...

A wire carries a constant current of 10A. How many coulombs and how many charge carriers pass a cross-rection of the wire in 20 seconds? (charge of electron = `1.6 xx 10^(-19)`C

Text Solution

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The correct Answer is:
200 C, `1.25 x 10^(21)`
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Knowledge Check

  • How many electrons per second pass through a cross-section od a copper wire carrying 10^(-5)A ? (charge of 1 electron is 1.0 xx 10^(-19) coulomb ).

    A
    `1.6 xx 10^(-36)`
    B
    `1 xx 10^(+14)`
    C
    6250
    D
    62500

  • The number of electrons delivered at the cathode during electrolysis ny a current of 2 ampere in 120 seconds is (charge on electron =1.6xx10^(-19)C) :-

    A
    `3.75xx10^(20)`
    B
    `7.48xx10^(20)`
    C
    `1.5xx10^(21)`
    D
    `3xx10^(20)`

  • The number of electron delivered at the cathode during electolysis by a current of 1 amphere in 60 seconds is: (charge on electron =1.50 xx 10^(-19) C )

    A
    `3.75 xx 10^(23)`
    B
    `7.48 xx 10^(23)`
    C
    `6 xx 10^(23)`
    D
    `6 xx 10^(23)`

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    Calculate the total charge of a mole of electrons if the electrical charge on a single electron is 1.60 xx 10^(-19) C.

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    A metal wire carries of current of 1 ampere. How many electrons pass a paint in the wire in 1 second. ?

    The number of electron delivered at the cathode during electolysis by a current of 1 amphere in 60 seconds is: (charge on electron =1.50 xx 10^(-19) C )

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