# A fan uses 7A when connected to a 110V line. If electric power costs 10 cents per kilowatt-hour in this location, what is the cost of running the fan for 13 hours?

1 answer

###### Question:

A fan uses 7A when connected to a 110V line. If electric power costs 10 cents per kilowatt-hour in this location, what is the cost of running the fan for 13 hours?

## Answers

Power = current x voltageSo the power is 7 x 110 = 770 W = 0.77kW0.77 x 13 = 10.01 kWh10.01 x 10 cents = 100.1 cents (is this 1 dollar? Idk I use a different currency)

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