fully-charged power bank with a full capacity of 100AH is used to supply a DC lamp of 12 ohms at a constant voltage of 24 volts for 35 hours. The said power bank is then used to power up a DC load requiring 3 A for 8 hours. What percentage of the full charge capacity of the power bank remains? If it is now used to charge a cellular phone and was drained in 12 hours, what is the average current requirement of the phone?

fully-charged power bank with a full capacity of 100AH is used to supply a DC lamp of 12 ohms at a constant voltage of 24 volts for 35 hours. The said power bank is then used to power up a DC load requiring 3 A for 8 hours. What percentage of the full charge capacity of the power bank remains? If it is now used to charge a cellular phone and was drained in 12 hours, what is the average current requirement of the phone?

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter2: Basic Electricity

Section: Chapter Questions

Problem 27RQ: How do electric utility companies charge customers for electricity?

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