Question
For the circuit shown, Find the number of nodes and
number of independent equations used for analysis of circuit using nodal analysis.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 = 3 . Independent nodal equations = 3 – 1 = 2 .
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