What is he current supplied to the speaker
An 8 Ohm speaker is connected across the output terminals of a power amplifier that delivers 72 W. What is he current supplied to the speaker (in A)?
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A refrigerator in a kitchen at 20 degrees celcius uses R-134a. The freezer is to be kept at -5 degrees celcius or cooler. What is the maximum pressure that can be used in the evaporator? Why?
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Based on the data set provided, provide a substantive narrative explanation of the process involved in creating the frequency distribution table and the frequency histogram.
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The air temperature is maintained constant at 25 oC during this process as a result of heat transfer to the surroundings at 17 oC. Determine the entropy change of the air.
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