14 The charge cycle shown in Figure PL4 is an example of a three-rate charge. The current is held constant at 30 mA for 6 h. Then it is switched to 20 mA for the next 3 h. Find: a. The total charge transferred to the battery. b. The energy transferred to the battery.Page 58 Hint: Recall that energy w is the integral of power, or P = dw/dr. Battery voltage Battery current 1.7 V 1.2 V 8.30 30 mA 20 mA Figure PLA 0 3h 6h 6h 9h

14 The charge cycle shown in Figure PL4 is an example of a three-rate charge. The current is held constant at 30 mA for 6 h. Then it is switched to 20 mA for the next 3 h. Find: a. The total charge transferred to the battery. b. The energy transferred to the battery.Page 58 Hint: Recall that energy w is the integral of power, or P = dw/dr. Battery voltage Battery current 1.7 V 1.2 V 8.30 30 mA 20 mA Figure PLA 0 3h 6h 6h 9h

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

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter12: Electronic Control Devices

Section: Chapter Questions

Problem 14RQ

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