If $10^{20}$ electrons flow from a black body through a copper wire in 8 seconds, What is the amount of current flowing in the copper wire in that time interval?

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Solution

Change contained in $10^{20}$ electrons
$q = 1.6 \times 10^{- 19}) \times 10^{20} C = 16 e$
$∴$ Current, $I = \frac{q}{t} = \frac{16 C}{8 s} = 2 A$

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If 1020 electrons flow from a black body through a copper wire in 8 seconds, What is the amount of current flowing in the copper wire in that time interval?

Change contained in 1020 electrons q=1.6×10−19)×1020C=16e ∴ Current, I=qt=16C8s=2A

If $10^{20}$ electrons flow from a black body through a copper wire in 8 seconds, What is the amount of current flowing in the copper wire in that time interval?

Change contained in $10^{20}$ electrons
$q = 1.6 \times 10^{- 19}) \times 10^{20} C = 16 e$
$∴$ Current, $I = \frac{q}{t} = \frac{16 C}{8 s} = 2 A$