alleryStart learning →About how many electrons make up a charge of one microcoulomb?
A6.25 × 10^9
B6.25 × 10^12
C6.25 × 10^15
D6.25 × 10^18
Answer & Solution
Correct answer: B. 6.25 × 10^12
n = q/e = 10^-6 C / 1.6 × 10^-19 C, which gives about 6.25 × 10^12 electrons.
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