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How many electrons per second pass throu...

How many electrons per second pass through a section of wire carrying a current of `0.7A`?

Text Solution

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The correct Answer is:
A, C, D

`:' i=q/t=("ne")/t`
`:.n=(it)/3=e=((0.7)(1))/(1.6xx10^-19)`
`=4.375xx10^18`
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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
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    B
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    B
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    A
    `1.6xx10^(-3)` e/s
    B
    60 e/s
    C
    625 e/s
    D
    `16xx10^(-2)` e/s
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