14.4 An expression of instantaneous power is given as P()-112+86cos(4001 -15) W %3D Determine the following: The average power. a. b. The operating frequency. If the voltage phase angle is 5°, what is the phase angle of the current. с.
14.4 An expression of instantaneous power is given as P()-112+86cos(4001 -15) W %3D Determine the following: The average power. a. b. The operating frequency. If the voltage phase angle is 5°, what is the phase angle of the current. с.
Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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![**Problem 14.4**
An expression of instantaneous power is given as:
\[ p(t) = 112 + 86 \cos(400t - 15^\circ) \, \text{W} \]
Determine the following:
a. The average power.
b. The operating frequency.
c. If the voltage phase angle is \(5^\circ\), what is the phase angle of the current?
---
(Note: This text is intended for educational purposes, focusing on the analysis of power in alternating current circuits.)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffcfa310c-2c98-4461-a46a-c39d6b0c5cb5%2F58f7e057-2e95-4c9c-a39f-6ca5dc40132a%2Fo22pisc_processed.png&w=3840&q=75)
Transcribed Image Text:**Problem 14.4**
An expression of instantaneous power is given as:
\[ p(t) = 112 + 86 \cos(400t - 15^\circ) \, \text{W} \]
Determine the following:
a. The average power.
b. The operating frequency.
c. If the voltage phase angle is \(5^\circ\), what is the phase angle of the current?
---
(Note: This text is intended for educational purposes, focusing on the analysis of power in alternating current circuits.)
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