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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 – 1), because one node is always taken as the reference (ground). So total nodes =Β  3 . Independent nodal equations =Β  3 – 1 = 2 .

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