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What will be the number of electron pass...

What will be the number of electron passing through a heater wire in one minute, if it carries a current of 8A

Text Solution

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` I=("ne")/(t) rArrn=(It)/(e)=(8xx60)/(1.6xx10^(-19))=3xx10^(21)` electrons
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Knowledge Check

  • If the electronic charge is 1.6xx10^(-19)C , then the number of electrons passing through a section of wire per second, when the wire carries a current of 1A, is

    A
    `0.625xx10^(19)`
    B
    `0.625xx10^(17)`
    C
    `1.6xx10^(19)`
    D
    `1.6xx10^(17)`

  • If the electronic charge is 1.6 xx 10^(-19) C, then the number of electrons passing through a section of wire per second, when the wire carries a current of 2A, is

    A
    `1.25 xx 10^(17)`
    B
    `1.6 xx 10^(17) `
    C
    `1.25 x 10^(19)`
    D
    `1.6 xx 10^(19)`

  • Numbers of electrons pass through lamp in one minute if current applied is 300 mA is:

    A
    `1.125xx10^(20)`
    B
    `1.125xx10^(19)`
    C
    `1.125xx10^(10)`
    D
    `1.125xx10^(36)`

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    A conductor carries a current of 3mA. The number of electrons passing through it in one minute is about

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