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v(t) = 170cos(120πt +15°) V and the current is i(t) = 21cos(120nt -30°) A. Find the Power Angle, 0, and Power Factor of the circuit element. Power Angle, 0 [°] Power Factor [unitless] 45° 0.707

v(t) = 170cos(120πt +15°) V and the current is i(t) = 21cos(120nt -30°) A. Find the Power Angle, 0, and Power Factor of the circuit element. Power Angle, 0 [°] Power Factor [unitless] 45° 0.707

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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0.707 is not a answer. Answers be rounded to 2 decimal places
For a circuit element (not shown) of unknown type and impedance, assume the voltage is v(t) = 170cos(120nt +15°) V and the current is i(t) = 21cos (120nt -30°) A. Find the Power Angle, 0, and Power Factor of the circuit element. Power Angle, 0 [°] Power Factor [unitless] 45° 0.707
Transcribed Image Text:For a circuit element (not shown) of unknown type and impedance, assume the voltage is v(t) = 170cos(120nt +15°) V and the current is i(t) = 21cos (120nt -30°) A. Find the Power Angle, 0, and Power Factor of the circuit element. Power Angle, 0 [°] Power Factor [unitless] 45° 0.707
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