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Physics
If 62.5 × 1018 electrons per second are flowing through a wire of area of cross-section 0.1 m 2, the value of current flowing will be
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Q. If $62.5 \times 10^{18}$ electrons per second are flowing through a wire of area of cross-section $0.1 m ^{2}$, the value of current flowing will be
Current Electricity
A
1 A
21%
B
0.1 A
27%
C
10 A
38%
D
0.11 A
14%
Solution:
$i=\frac{n e}{t}=\frac{62.5 \times 10^{18} \times 1.6 \times 10^{-19}}{1}=10$ amperes