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Methods of Analysis. EE 2010: Fundamentals of Electric Circuits Mujahed AlDhaifallah. Source Characteristics. Current. Voltage. Voltage. Current. Source Characteristics. Voltage Source. Current Source. Current. Voltage. Voltage. Current. Current Source.

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## Methods of Analysis

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**Methods of Analysis**EE 2010: Fundamentals of Electric Circuits Mujahed AlDhaifallah**Source Characteristics**Current Voltage Voltage Current**Source Characteristics**Voltage Source Current Source Current Voltage Voltage Current**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.**Source Conversion**• Source conversions are equivalent only at the external terminals**Current Sources in Series?**• No way.**The two Approaches already learnt!**• Reduce and Return Approach! • Simplest technique • Does not apply to more complex circuits.**Background**KVL + KCL + Ohm’s law • sufficient in analyzing any resistive circuits • difficult to use as the complexity of circuits increased • Nodal Analysis • Mesh Analysis • developed based on Kirchhoff’s laws • provide two systematic methods for describing circuits**Steps of Mesh Analysis**• 1. Assign a mesh current to each mesh. • 2. Apply KVL to each mesh --- express voltages in terms of mesh currents. • 3. Solve the resulting linear equations.

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