Question: 39 (a) Formulate node-voltage equations for the circuit in Figure P39. (b) Use MATLAB to find symbolic expressions for the node voltages in terms of

3–9

(a) Formulate node-voltage equations for the circuit in Figure P3−9.

(b) Use MATLAB to find symbolic expressions for the node voltages in terms of the parameters in the circuit.

(c) Find numeric values for vA, vB, and vC when R1 =

1 kΩ, R2 =1:5 kΩ, R3 =2:2 kΩ, R4 =3:3 kΩ, iS1= 1mA, and iS2 =3mA.

(d) Use Multisim to verify your solution to part

(c) is correct.

R w B R is2 isi R3 A w W R4 FIGURE

R w B R is2 isi R3 A w W R4 FIGURE P3-9

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