EE 302 - Lecutre Slides - Unit_3[1].1___Node_Voltage_Analysis

# EE 302 - Lecutre Slides - Unit_3[1].1___Node_Voltage_Analysis

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Unit 3: Node and Mesh Circuit Analysis Unit 3.1 – Node Voltage Analysis Chapter 3

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Learning Objectives Why is there a need for more powerful techniques to solve circuits. What is the node voltage method. How do we apply it.
Practice Problem To get the power I need the voltage and current for every element. What if I was going to use KVL, KCL and Ohm’s Law to solve for this? How many unknowns? 1 current for the voltage source. 2 voltages for the current sources. 5 voltages or 5 currents for the resistors. I need 13 equations! C a lc ulate  the  po we r a s s o c ia te d  with e a c h e le m e nt in the  c irc uit be lo w. R3 1 A 2 A R1 R2 R4 R5 2 V + - There has got to be an easier way!

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One easier way. . Node voltage method OR Nodal Analysis
R3 1 A 2 A R1 R2 R4 R5 2 V + - 1. How many nodes are there in this circuit? 2. How many essential nodes are there in this circuit?

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## This note was uploaded on 03/22/2008 for the course EE 302 taught by Professor Mccann during the Fall '06 term at University of Texas.

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EE 302 - Lecutre Slides - Unit_3[1].1___Node_Voltage_Analysis

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