February 23, 2017

Homework Help: physics

Posted by Abby on Tuesday, February 21, 2012 at 7:20am.

What power - in Watt-hours - is needed at home on your standard 115 V circuit to run: (a) a
10 A air conditioner for one hour to completely cool off your room, or (b) a 3 A electric fan to
keep a constant flow of air over you for five hours? (c) Which is more efficient for you to use?
and (d) Why would your choice be more efficient?

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