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about yaz li
I am passionate about engineering, science and entrepreneurship. I have done my PhD in electrical engineering and taught courses such as Electric Circuits, Control Systems, Fundamentals of Electric Engineering, Logic Circuits in universities. Here, I am sharing notes that I took during my sixteen years of studying, teaching, researching and working in electrical engineering field. I hope you find my articles useful.
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Category Archives: Problems
Total Energy Stored – Circuit with Capacitors and Inductors
Total energy stored in a circuit is calculated by finding the energy stored in each capacitor and each inductor and adding them up. The circuit has two capacitors, two inductors and two independent dc sources. Continue reading
Thévenin’s Theorem – Circuit with Two Independent Sources
Thévenin’s Theorem is deployed to solve a simple circuit which contains two independent sources. The solution is explained step-by-step. Continue reading
Thévenin’s Theorem – Circuit with An Independent Source
Thevenin’s Theorem is deployed to solve a quite simple circuit with only one independent voltage source. The solution is explained step-by-step. Continue reading
Superposition Method – Circuit With Dependent Sources
A circuit with two independent and two dependent sources is solved by the superposition method. Independent sources are turned off one at a time and the contribution of the on source is calculated. Dependent sources should not be turned off. Continue reading
Posted in Problems, Resistive Circuits
Tagged Dependent Sources, Superposition, Superposition Method, Turning sources off
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Superposition Problem with Four Voltage and Current Sources
A circuit with two voltage sources and two current sources is solved by the superposition method. The contribution of each source is calculated individually and the response is found by adding the contributions. Continue reading
Posted in Problems, Resistive Circuits
Tagged Superposition, Superposition Method, Turning sources off
12 Comments
Nodal Analysis – Circuit with Dependent Voltage Source
A 6-node circuit is solved with the nodal analysis. It contains one dependent voltage source, two independent voltage sources, two independent current sources and some resistors. The dependent causes two nodes to form a supernode. Continue reading
Nodal Analysis – 6-Node Circuit
A 6-node circuit is solved by the nodal analysis method and powers of voltage and current sources are calculated. The system of linear equations has three equations with three unknowns. Continue reading
Nodal Analysis – Dependent Voltage Source
A circuit with 3 nodes, one dependent voltage source, two current sources and three resistors is solved by the nodal analysis. The PSpice simulation result is also illustrated. Continue reading
Posted in Problems, Resistive Circuits
Tagged Dependent Voltage Source, Nodal Analysis, PSpice
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Nodal Analysis – Dependent Current Source
Nodal analysis method is deployed to solve a four-node circuit which has a dependent current source. The target is to find the power of the controlled current source. Continue reading
Posted in Problems, Resistive Circuits
Tagged dependent current source, Nodal Analysis, Power
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Nodal Analysis – Dependent Voltage Source (5-Nodes)
The nodal analysis method is deployed to solve a circuit which has one dependent voltage source, one independent voltage source and one independent current source. Continue reading
Posted in Problems, Resistive Circuits
Tagged Dependent Voltage Source, Nodal Analysis
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