Basic electrical part 1

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Nodal Analysis

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  Nodal Analysis 1. Nodal analysis can be applied for the planner and non-planner networks 2. Nodal  analysis is based on the application of KCL Note:  1. A principle node is a point where more than two branches are connected. 2. A simple node is a point where two branches are connected. The procedure of nodal analysis: Step 1:   Identify the total no. of principle nodes Step 2:   Assign voltages to each principle node and take one of the nodes as a reference node Step 3:   Develop KCL equations for each node(except for reference node) Step 4:   Solve the KCL equations to get node voltages A special case of nodal analysis(Supernode) A supernode exists in a circuit when two non-reference nodes separated by a pure voltage source The procedure of super nodal analysis: Step 1:   Identify the total no. of principle nodes Step 2:   Assign voltages to each principle node and take one of the nodes as a reference node Step 3:   If super node foun...
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Principle and procedure to apply Maximum power transfer theorem in electrical circuits

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The maximum power transfer theorem states that, in a linear electrical circuit, the power transferred from the source to the load is maximized when the load resistance is equal to the internal resistance of the source. In other words, the power delivered to the load will be at its maximum when the load resistance matches the internal resistance of the source. To use the maximum power transfer theorem to analyze a circuit, you can follow these steps: Identify the source and the load in the circuit. Calculate the internal resistance (Ri) of the source. This is the resistance of the source as seen from the terminals of the circuit, and it may include the resistance of the source itself as well as any other resistances in the circuit. Calculate the load resistance (RL). This is the resistance of the load as seen from the terminals of the circuit. Compare the internal resistance of the source to the load resistance. If they are equal,...
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