4. Obtain the power factor and the apparent power of a load whose impedance is Z=60+J40 OHMS when the applied voltage is v(t)=320cos(377+10 deg)V.

Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter23: Resistive-inductive-capacitive Series Circuits
Section: Chapter Questions
Problem 7PP: Is the power factor in Question 6 a leading or lagging power factor? Explain your answer.
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4. Box the final answer.

4. Obtain the power factor and the apparent power of a load whose impedance is Z=60+J40 OHMS when
the applied voltage is v(t)=320cos(377+10 deg)V.
5.Refer to the circuit.
(a) What is the power factor?
(b) What is the average power dissipated?
(c) What is the value of the capacitance that will give a unity power factor when connected to the
load?(unity power factor=1)
120 V rms
Z = 10 +j12 2
60 Hz
Transcribed Image Text:4. Obtain the power factor and the apparent power of a load whose impedance is Z=60+J40 OHMS when the applied voltage is v(t)=320cos(377+10 deg)V. 5.Refer to the circuit. (a) What is the power factor? (b) What is the average power dissipated? (c) What is the value of the capacitance that will give a unity power factor when connected to the load?(unity power factor=1) 120 V rms Z = 10 +j12 2 60 Hz
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