A car-battery charger runs off the 120-V rms AC power line and supplies 10-A DC at 14V.
Question:
A car-battery charger runs off the 120-V rms AC power line and supplies 10-A DC at 14V.
(a) If the charger is 80% efficient in converting the line power to the DC power it supplies to the battery, how much current does it draw from the AC line?
(b) If electricity costs 9.5¢/kWh, how much does it cost to run the charger for 10 hours if the power factor is 1?
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Given Power factor 1 Input Voltage at the adapter 120 volts RMS Output Voltage by adapt...View the full answer
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