Consider the following circuit. 3 A Io R₁ a 192 iz 3Ω R₂ b R3. www d 592 www R₁ 452 552 www Rs 15 V (1+) Vo 312 Re 692 (a) Use node voltage analysis to calculate va, Vs and ve. (b) Check your solutions to part (b), explaining your method. Your method must not include the use of any software.

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Nodal Analysis

In the analysis of any electric circuit, nodal analysis is the method of determining the potential difference or voltage between different nodes in an electric circuit. A node is a point where two or more branches connect each other. In the nodal analysis, the voltages are determined in the terms of branch currents. The nodal analysis is also known as the node voltage method or branch current method. The nodal analysis method is one of the several applications of Kirchhoff's Current Law (KCL).