**Computer Science**

**These questions are from circuits I need a Program in Java or Python or MATLAB or C++.**

**Question 1**

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Image transcriptions

In Fig. 7.45, the switch has been closed for a long time and is opened at I = 0. Find 1' and v for all time. 109 ' 305:") v e 9 10 v Figure 1.45

Calculate the line currents in the three—wire Y—Y system of Fig. 12.13. Figure 12.13

For the unbalanced circuit in Fig. 12.25, ﬁnd: (a) the line currents, (b) the total complex power absorbed by the load, and (c) the total complex power absorbed by the source. Figure 12.25

10!! 50V Figure 19.34 [T] RI. The ABCD parameters of the two—port network in Fig. 19.34 are [ 4 200] 0.1 S 2 The output port is connected to a variable load for maximum power transfer. Find R; and the maximum power transferred.

Assume we have a system where the output is y{t) and the input is z(t). Let the following differential equation describe the relationship between the input and the output. dgym dym _ drz + 3 d: + 2y(t} — 51(3) Obtain the state mode] and the transfer function of the system.

By inspection, obtain the mesh-current equations for the circuit in Fig. 3.30. 50 Q 20 Q W 30 + 12 V 12 15 Q 20 0 30 V 80 0 + 20 V AN 60 0 Figure 3.30

By inspection, write the msh—cm'rent equations for the circuit in Fig. 3.29. Figure 3.29

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