Node voltage practice problems
Refresh the page to get a new problem.
Read the node-voltage method class notes.
For the circuit shown,
- R1 = 180 Ω
- R2 = 180 Ω
- R3 = 330 Ω
- VS1 = 7 V
- VS2 = 15 V

Use the node-voltage method to find the voltage at node a with respect to the indicated ground.