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The heating element of an electric dryer is rated at 4.1 kW when connected to a 240-V line.
(a) What is the current in the heating element? Is 12-gauge wire large enough to supply this current?
(b) What is the resistance of the dryer s heating element at its operating temperature?
(c) At 11 cents per kWh, how much does it cost per hour to operate the dryer? |
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