Circuit Analysis
Systematic methods and theorems for solving any linear circuit — nodal and mesh analysis, Thevenin, Norton and superposition.
With Ohm's law and Kirchhoff's laws (see Electronics → Fundamentals) you can solve any circuit, but for larger networks you need systematic methods and network theorems that keep the algebra manageable.
Sub-topics (9)
Nodal Analysis
Write KCL at every node using node voltages as unknowns.
Mesh Analysis
Write KVL around every mesh using mesh currents as unknowns.
Superposition Theorem
In a linear circuit, the response to several sources is the sum of the responses to each source acting alone.
Thevenin's Theorem
Any linear two-terminal network can be replaced by one voltage source in series with one resistance.
Norton's Theorem
Any linear two-terminal network can be replaced by a current source in parallel with a resistance.
Maximum Power Transfer Theorem
A load receives maximum power when its resistance equals the source's Thevenin resistance.
Star-Delta Transformation
Convert between star (Y) and delta (Δ) resistor networks to simplify bridges and three-phase loads.
Transient Analysis
How RC, RL and RLC circuits respond when a switch opens or closes.
Two-Port Networks
Describe a network by its relationship between input and output voltages and currents — Z, Y, h and ABCD parameters.
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