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Suppose that v1(t) = 90cos( wt-15° ) and v2(t) = 50sin(wt-60° ). Use phasors to reduce the sum vs(t) = v1(t) + v2(t) to a single term of the form vs(t)=Vmcos(wt +d ). State the phase relationships between each pair of these phasors. (Hint: Sketch aphasor diagram showing V1 ,V2 ,and Vs .)

Suppose that v1(t) = 90cos( wt-15° ) and v2(t) = 50sin(wt-60° ). Use phasors to reduce the sum vs(t) = v1(t) + v2(t) to a single term of the form vs(t)=Vmcos(wt +d ). State the phase relationships between each pair of these phasors. (Hint: Sketch aphasor diagram showing V1 ,V2 ,and Vs .)

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Suppose that v1(t) = 90cos( wt-15° ) and V2(t) = 50sin(wt-60° ). Use phasors to reduce the sum vs(t) = v1(t) + v2(t) to a single term of the form vs(t)=Vmcos(wt +d ). State the phase relationships between each pair of these phasors. (Hint: Sketch aphasor diagram showing V1 ,V2 ,and Vs :)
Transcribed Image Text:Suppose that v1(t) = 90cos( wt-15° ) and V2(t) = 50sin(wt-60° ). Use phasors to reduce the sum vs(t) = v1(t) + v2(t) to a single term of the form vs(t)=Vmcos(wt +d ). State the phase relationships between each pair of these phasors. (Hint: Sketch aphasor diagram showing V1 ,V2 ,and Vs :)
Reduce the expression 15sin( wt-45° )+ 5cos(wt-30° )+ 10cos(wt-120° ) to the form Vmcos(wt+d ).
Transcribed Image Text:Reduce the expression 15sin( wt-45° )+ 5cos(wt-30° )+ 10cos(wt-120° ) to the form Vmcos(wt+d ).
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