Question #6f0d2

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Question #6f0d2

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Answer 1 · 2016-10-20T09:54:51

I got: $6 \times 10^{18}$ $6xx10^18$ electrons

Explanation:

Current is a measure of how many charges (in Coulomb) pass through a section of your conductor in one second, or:
$current = \frac{charge}{time}$ $"current"="charge"/"time"$
in your case you have:
$0.5 = \frac{charge}{2}$ $0.5="charge"/2$
so that :
$charge = 2 \cdot 0.5 = 1 C$ $"charge"=2*0.5=1C$
One electron has a charge of $1.6 \times 10^{- 19} C$ $1.6xx10^-19C$

So in our case we will have:

$number of electrons = \frac{total charge}{charge of one electron} = \frac{1}{1.6 \times 10^{- 19}} = 6.25 \times 10^{18} \approx 6 \times 10^{18}$ $"number of electrons"="total charge"/"charge of one electron"=1/(1.6xx10^-19)=6.25xx10^18~~6xx10^18$ electrons

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Question #6f0d2

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