Nodal analysis
![](/Images/godic/202501/29/KCL3344.png")
![Basic example circuit with one unknown voltage, V1.](/Images/godic/202501/29/Nodal_analysis.svg3344.png")
![In this circuit, VA is between two unknown voltages, and is therefore a supernode.](/Images/godic/202501/29/Supernode_in_circuit_analysis.svg3344.png")
In electric circuits analysis, nodal analysis, node-voltage analysis, or the branch current method is a method of determining the voltage (potential difference) between "nodes" (points where elements or branches connect) in an electrical circuit in terms of the branch currents.