Determine the values of the node voltages, v1, V2 and v3 in the circuit shown. 15 V 50 Ω 10Ω 20Ω 25 2 V2 V3 V 1 10 V 40 2 15 V

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Z parameter

The Z-parameters that are the impedance parameters of a two-port network are defined by expressing the two-port voltages V1 and V2 in terms of two-port currents I1 and I2. The Z-parameters are calculated by open circuiting one of the two ports at a time henceforth they are called open-circuit impedance parameters.