[sdiy] A little OT, Begging a hand

[Ian Fritz]

At 04:45 PM 2/8/2011, David G. Dixon wrote:
> > I disagree with this. V0 is a measured voltage.  It is assumed to be
> > measured with a high impedance meter.  Thus it has no effect on the
> > currents and voltages in the circuit.  Therefore it shouldn't appear in
> > the
> > equations.  It should only appear after the calculation is finished as the
> > voltage divider equation involving the already determined current through
> > R8.
>
>I thought they were all measured voltages!  You can't solve the problem
>otherwise.

No, V1, V2, and V3 are applied voltages, as clearly stated in the original 
problem.  And you finally have the right answer -- the problem cannot be 
solved (because it is underdetermined).