A small office building air conditioner operates on 250 v


A small office building air conditioner operates on 250 V AC and consumes 3.88 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?

How is energy related to power? Check units for consistency.

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Physics: A small office building air conditioner operates on 250 v
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