Solve the system of equations:

[i = 1 \text{ A}] Problem 3.15

[v_1 = 4 \text{ V}, v_2 = 2 \text{ V}] Problem 4.12

Use nodal analysis to find (v_1) and (v_2) in the circuit of Fig. 3.73.

Find the Thevenin equivalent circuit for the circuit of Fig. 4.78.

[\frac{v_1}{2} + \frac{v_1 - v_2}{4} = 0]

Using Ohm's law, we can write:

Find the current (i) in the circuit of Fig. 2.116.