For the following circuit obtain: (a) vg (0†), (b) v₂ (0+), (c) duz (0*), (d) dic (0*) dt 2 1 0.25 H www 0.5Ω note: without using laplace 1=0- 1 F 892 www 4 V

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A: Solution:

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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.