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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: Articles
Turning Sources Off
Turning off a source used in solving circuits with the superposition, means setting its value equal to zero. A voltage sources become a short circuit when turned off. To turn off a current source it should be replaced by an open circuit. Dependent sources cannot be turned off. Continue reading
Electrical Circuits eBooks
Free Electrical Circuits Ebooks. 1) Nodal Analysis, 2) Mesh Analysis, … Continue reading
Nodal Analysis
The nodal analysis is explained. Necessary steps to solve a circuit with the nodal analysis is mentioned. A free ebook about nodal analysis is also included. Continue reading
Reference Node and Node Voltages
A node is usually labelled as the reference node also called ground and the other node voltages are defined with respect to this point. The reference node has a potential of 0 V by definition. Continue reading
Voltage Divider – Voltage Division Rule
Voltage Division Rule: The voltage is divided between two series resistors in direct proportion to their resistance. This simple rule can be used in solving simple circuits or in simplifying the solution of complicated ones. In this post, the voltage divider circuit is studied and some examples are solved to show how this rule can be deployed in solving circuits. Continue reading
Ideal Independent Sources
The ideal independent voltage and current sources are explained. Their symbols and voltage-current characteristics are presented. It is shown how their definitions can be used to solve problems. Some examples are also provided to clarify their characteristics. Continue reading
