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    Question

    For the circuit shown, Find the number of nodes and

    number of independent equations used for analysis of circuit using nodal analysis.
    A Three Nodes and Three independent equations. Correct Answer Incorrect Answer
    B Three Nodes and Two independent equations. Correct Answer Incorrect Answer
    C Two Nodes and Two independent equations. Correct Answer Incorrect Answer
    D Two Nodes and Three independent equations. Correct Answer Incorrect Answer

    Solution

    A node is a junction where two or more elements connect. In nodal analysis, the number of independent equations = (Number of nodes тАУ 1), because one node is always taken as the reference (ground). So total nodes =┬а 3 . Independent nodal equations =┬а 3 тАУ 1 = 2 .

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