A series circuit containing a noninductive resistance of 30 and a coil is connected to a 120-V, 60-Hz supply. The current is 25 A. The true power, as indicated by a wattmeter, i s 2500 W. Determine a. the power factor of the series circuit. b. the effective resistance of the coil. c. the impedance and inductive reactance for the coil. d. the power factor of the coil.

A series circuit containing a noninductive resistance of 30 and a coil is connected to a 120-V, 60-Hz supply. The current is 25 A. The true power, as indicated by a wattmeter, i s 2500 W. Determine a. the power factor of the series circuit. b. the effective resistance of the coil. c. the impedance and inductive reactance for the coil. d. the power factor of the coil.

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 8RQ

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