6. A dryer uses 15 A of current at 240 V for 1.2 h. How much will it cost to do the laundry if the charge for electricity is 8.2 cents/kW h?
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Power (P) is given by the formula: P = IV where I is the current (15 A) and V is the voltage (240 V). P = 15 A × 240 V = 3600 W Now, we need to convert the power to kilowatts (kW): 3600 W = 3.6 kW Show more…
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