Posted by **Lanise** on Saturday, February 6, 2010 at 10:56pm.

A 1500-W heater is designed to be plugged into a 120-V outlet.

What current will flow through the heating coil when the heater is plugged in? I = A

What is R , the resistance of the heater?

How long does it take to raise the temperature of the air in a good-sized living room 3.0m x 5.0m x 8m by 10 degrees C? Note that the specific heat of air is 1006 J/(kg x degrees C) and the density of air is 1.20 kg/m^3.

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