Fall 2009 EE40 Homework 5 Due Oct 8 Thursday 12 00 noon in Cory 240 This is a relatively short assignment Reading Assignments Chapter 5 and Appendix A of Hambley textbook Problem 1 Phasor Practice Hambley P5 22 Consider the phasors shown below The frequency of each signal is f 200Hz Write a time domain expression for each voltage in the form Vmcos t State the phase relationships between each pair of these phasors Problem 2 Phasor diagram Hambley 5 25 Supposed that v1 t 100cos t 45o and v2 t 150cos t 60o Use phasors to reduce the sum vs t v1 t v2 t to a single term of the form Vmcos t Draw a phasor diagram showing V1 V2 and Vs State the phase relationships between each pair of these phasors Problem 3 Simple Complex Impedance Hambley P5 43 Find the complex impedance of the network shown for 500 Repeat for 1000 and 2000 Problem 4 Nodal analysis with phasors Hambley P 5 54 Solve for the node voltage V1 shown
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