Suppose that v1(t) = 90cos( wt-15° ) andV2(t) = 50sin(wt-60° ). Use phasors toreduce the sum vs(t) = v1(t) + v2(t) to asingle term of the form vs(t)=Vmcos(wt +d). State the phase relationships betweeneach pair of these phasors. (Hint: Sketchaphasor diagram showing V1 ,V2 ,and Vs:)

Given: The two phasors are v1t=90cosωt-15°v2t=50sinωt-60° such that the sum of these phasors give…

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 + ). 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 + ). State the phase relationships between each pair of these phasors. (Hint: Sketch aphasor diagram showing V1 ,V2 ,and Vs :)

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.6P: (a) Transform v(t)=75cos(377t15) to phasor form. Comment on whether =377 appears in your answer. (b)...

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Multistage Amplifier

The multistage amplifier is generally a voltage or power amplifier. The multistage amplifier has a number of single stage amplifier that are cascaded together. Since a single stage amplifier output is not useful, they are being replaced with multistage amplifiers or multistage transistor amplifiers. The multistage amplifier are used where the gain required is high or the input signal is very small such that only a single stage amplifier cannot amplify it.

Question

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
:)

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