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A small office building air conditioner operates on 250 V AC and consumes 3.78 kW. (a) What is its effective resistance? (b) What is

A small office building air conditioner operates on 250 V AC and consumes 3.78 kW. (a) What is its effective resistance? (b) What is the cost of running the air conditioner during a hot summer month when it is on 8.00 hours per day for 30 days and electricity costs 9.00/kW - h?

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