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Transcript
0 EE 1270: Introduction to Electric Circuits Lecture 12: Superposition Chapter 4 Techniques of Circuit Analysis: Sections 4.13 EE 1270 Introduction to Electric Circuits Suketu Naik 1 Superposition Purpose Simply complex circuit with many independent sources. If a circuit has two or more independent sources, one way to determine the contribution of each independent source to the variable and then add them up. Steps: 1) Turn off (replace voltage source with short and current source with open) all independent sources except one source. Find the output (voltage or current) due to that active source. 2) Repeat step 1 for each of the other independent sources. 3) Find the total contribution by adding algebraically all the contributions due to the independent sources. EE 1270 Introduction to Electric Circuits Suketu Naik Fig. 4.8 (p.132 Sadiku 4th edition) 2 Find vo using superposition EE 1270 Introduction to Electric Circuits Suketu Naik Fig. 4.62 3 a) Find the branch currents using superposition EE 1270 Introduction to Electric Circuits Suketu Naik Example 4.4 (p.132 Sadiku 4th edition) 4 Find io using superposition EE 1270 Introduction to Electric Circuits Suketu Naik P4.98 5 Find i using superposition EE 1270 Introduction to Electric Circuits Suketu Naik