The capacity of a lead-acid cell is measured in_____________?
Correct answer: B. ampere-hours
- A. amperes
- B. ampere-hours
- C. watts
- D. watt-hours
Explanation
Battery capacity is the amount of charge it can deliver, calculated as current multiplied by time, so its unit is ampere-hour (Ah). Watt-hours measure energy and also require the voltage to be specified.
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