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**1. Homework Statement**

Find [itex]v_0[/itex] in the circuit below and the power dissipated by the controlled source.

http://img291.imageshack.us/img291/5479/chapter2problem22wy5.jpg [Broken]

**2. Homework Equations**

KCL

[tex]v\,=\,i\,R[/tex]

**3. The Attempt at a Solution**

KCL: [tex]i\,=\,2\,v_0\,+\,10\,A[/tex]

[tex]v_o\,=\,i\,R[/tex]

[tex]v_o\,=\,\left(2\,v_0\,+\,10\right)\,(4\Omega)[/tex]

[tex]v_0\,=\,8\,v_0\,+\,40[/tex]

[tex]v_0\,=\,-\frac{40}{7}\,V[/tex]

Am I on the right track here?

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