a) Use the node-voltage method to find υo and the power delivered by the 2 A current sourc...

a) Use the node-voltage method to find υo and the power delivered by the 2 A current source in the circuit in Figure. Use node a as the reference node.

b) Repeat part (a), but use node b as the reference node.

c) Compare the choice of reference node in (a) and (b). Which is better, and why?

Figure