Solve it in 10 minute Un calentador eléctrico está diseñado para operar a 660 W desde una fuente de120 V. Si el voltaje de la fuente baja a 80.0 V, cuánto será la potencia disipada porel mismo calentador? (Asuma que la resistencia del calentador no cambia.)660 W392 W73.3 W440 W293 WAn electric heater is designed to operate at 660Wfrom a 120V source. If the source voltage drops to80.pV, how much power will be dissipated by theheater itself? (Assume that the heater resistance doesnot change).

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An electric heater is designed to operate at 660W from a 120V source. If the source voltage drops to 80.pV, how much power will be dissipated by the heater itself? (Assume that the heater resistance does not change).

An electric heater is designed to operate at 660W from a 120V source. If the source voltage drops to 80.pV, how much power will be dissipated by the heater itself? (Assume that the heater resistance does not change).

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter7: Alternating Current, Power Distribution, And Voltage Systems

Section: Chapter Questions

Problem 12RQ

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Concept explainers

HVDC

HVDC stands for high voltage direct current in the electric power transmission system. The high voltage direct current system uses direct current (DC) for the transmission of electrical power through transmission lines in contrast with the alternating current that is the AC system. The HVDC is used to transmit bulk power point-to-point through long distances transmission lines. Power is rapidly transferred because the efficiency of transmission lines is greatly increased over long distances due to HVDC lines.

Question

Solve it in 10 minute

Un calentador eléctrico está diseñado para operar a 660 W desde una fuente de
120 V. Si el voltaje de la fuente baja a 80.0 V, cuánto será la potencia disipada por
el mismo calentador? (Asuma que la resistencia del calentador no cambia.)
660 W
392 W
73.3 W
440 W
293 W
An electric heater is designed to operate at 660W
from a 120V source. If the source voltage drops to
80.pV, how much power will be dissipated by the
heater itself? (Assume that the heater resistance does
not change).

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