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- Q654 - Electrical, Electronic, & Control Engineering
212. What is the ampere-hour rating of a lead-acid battery rated for a 20 hour capacity that can deliver 10 amperes continuously for 20 hours without dropping below 90% of its rated terminal voltage?
The ampere-hour rating is calculated by multiplying current by time; therefore, a battery delivering 10 amperes for 20 hours has a capacity of 200 ampere-hours.
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