Answer to Question #2419 in Electric Circuits for Jake

Question

The voltage adapter of a cell phone charger reduces the wall outlet voltage to 5.2 and 1.0 Amps. how much charge passes through the cell phone while it charges for forty minutes?

Answer 1

The voltage adapter converts the voltage, but not the current. You can find the charge passed thrugh the cell phone by the following formula: Q = It, where I& is the current and t is the time.