Engineering Board Exam Reviewer · Voltage, Current and Resistance · medium
Approximately how many electrons pass a point each second when the current is 2 A?
- 1.25×1018
- 1.25×1019
- 3.2×10-19
- 6.24×1018
Answer
B. 1.25×1019
Solution
Charge per second =2 C. Number of electrons = 21.6×10-19=1.25×1019.
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