659PhysicsMedium
How many electrons per second constitute a current of one micro ampere?
Aone electron
B6.25 × 10 12 electrons
C10 –6 electrons
D10 6 electrons
Correct answer
B. 6.25 × 10 12 electrons
Explanation
6.25 × 10 12 electrons is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.