# Methods of Analysis ENTC 210: Circuit Analysis I Rohit Singhal Lecturer Texas A&M University.

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Methods of Analysis ENTC 210: Circuit Analysis I Rohit Singhal Lecturer Texas A&M University

Voltage Sources Two voltage sources of different ratings may not be connected in parallel. Why? Series operation, however, is permitted.

Current Sources Two current sources of different rating may not be connected in series. Parallel operation, however, is permitted.

Source Characteristics Voltage Current

Source Characteristics Voltage Current Current Source Voltage Source

Current Source A current source determines the current in the branch in which it is located. The magnitude and the polarity of the voltage across it depend on the complete network.

Ideal Sources

Practical Sources

Source Conversion Source conversions are equivalent only at the external terminals

Source Conversion

Question on Source Conversion!

Current Sources in Parallel

Current Sources in Series? No way.

The two Approaches already learnt! Reduce and Return Approach!  Simplest technique  Does not apply to more complex circuits. Current Loop Method  Also known as “Mesh Analysis”

Mesh Analysis (Can you solve this?)

Super-mesh Currents

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