A 660 W electric heater is designed to operate from a 120 V source. If the source voltage drops to 80.0 V, what will be the power dissipated by the same heater? (Assume the resistance of the heater is constant.)

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A 660 W electric heater is designed to
operate from a 120 V source. If the source
voltage drops to 80.0 V, what will be the
power dissipated by the same
heater? (Assume the resistance of the
heater is constant.)
а. 440 W
b. 660 W
с. 293 W
d. 73.3 W
Transcribed Image Text:A 660 W electric heater is designed to operate from a 120 V source. If the source voltage drops to 80.0 V, what will be the power dissipated by the same heater? (Assume the resistance of the heater is constant.) а. 440 W b. 660 W с. 293 W d. 73.3 W
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