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Lecture12 - Chapter 4

# Lecture12 - Chapter 4 - through an essential node 4 Circuit...

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1 EE216 Circuit Analysis I Lecture # 12 – Chapter 4

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2 Need for Advanced Techniques So far: Ohm’s Law Kirchhoff’s Laws (KCL, KVL) Equivalent circuits (Series, Parallel, Delta-to-Wye, Wye-to-Delta Possible issues in Circuit Analysis: Higher number of branches, nodes and/or loops increase complexity Number of simultaneous linear equations grows Case for Advanced Techniques Need to  simplify Need to be  systematic
3 Circuit Vocabulary 1/2 Node A point where two or more circuit elements join Essential Node A point where three or more circuit elements join Reference node Any node in the circuit whose potential is assumed at ground (0  V).  Good choice : a node connecting maximum number of branches Branch A path that connects two nodes Essential Branch A path which connects two essential nodes without passing

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Unformatted text preview: through an essential node 4 Circuit Vocabulary 2/2 • Path A trace of adjoining basic elements with no elements included more than once • Loop A path whose last node is the same as the starting node • Mesh A loop that does not enclose any other loops • Planar Circuit A circuit that can be drawn on a plane with no crossing branches • Non-planar Circuit A circuit that cannot be drawn on a plane with no crossing branches 5 Planar & Non-planar Circuits 6 Multi-part Circuits 7 Circuit Identification Identify: • Planar/Non-planar? • All nodes • All essential nodes • Reference node • All branches • All essential branches • All meshes • Two paths that are not loops or essential branches • Two loops that are not meshes....
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