Op-Amp Circuit Analysis: Troubleshooting Incorrect Node Usage

paulmdrdo · Apr 1, 2018

In the problem below, when I use nodes V1 and V2 I get the correct answer of Vo = -2.5v
But when I use nodes V1 and Vo I get an incorrect answer. Please explain to me why my latter method did not work.
Thanks.

willem2 · Apr 2, 2018

Do you have all the currents going into node V_o?

Merlin3189 · Apr 2, 2018

I'd be happy to help if I could read your writing and if you showed where your equations come from.

Op-Amp Circuit Analysis: Troubleshooting Incorrect Node Usage

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Op-Amp Circuit Analysis: Troubleshooting Incorrect Node Usage

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