Cell Phone Charger Circuit
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Cell Phone Charger Circuit
12 viewsAug 11, 2015
circuitdigest.com
SOLVED: Cellphone Battery Charger CircuitThe diagram below represents a simplified model of a battery charger circuit, such as the one in a cell phone. "E" is the emf provided by the charger's power supply and "r" is its internal resistance. "<E" is the emf of the battery being charged and "r2" is its internal resistance. In this model, assume the emfs "E" = 5.00 V and "<E" = 4.20 V, and internal resistances "r1" = 50m and "r2" are constant. The battery's capacity is listed as 3000 mAh. "R" repr
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