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10^(23) electrons passed from left to ri...

`10^(23)` electrons passed from left to rigth normally through a cross section in 1s. Average current through the cross section is

A

`1.6 xx 10^(4) A`

B

`1.6 xx 10^(3) A`

C

`1.6 xx 10^(2) A`

D

` 10^(23) A`

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • Through a give cross section n_(1) electrons per second are passing from left to right and n_(2) protons per second are passing from right to left simultaneously. The electric current throught that cross section is ( theta = electronic charge).

    A
    `(n_(1) + n_(2))`e towards left
    B
    `(n_(2) - n_(1))` e toward right
    C
    `(n_(1)^(2) + n_(2)^(2))` e toward left
    D
    `(n_(2)^(2) - n_(1)^(2))` e toward right

  • The number of electrons passing per second through a cross section of Cu wire carrying 10 ampere is

    A
    `6 xx 10^(19)`
    B
    `8 xx 10^(19)`
    C
    ` 1 xx 10^(19)`
    D
    `1.6 xx 10^(19)`

  • The number of electrons passing per second through a cross section of copper wire carrying 10^(-6) aperes of current per second is found to be

    A
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    C
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