# Op Amp Circuit - Simple non-inverting circuit question

#### dwn

Op Amp Circuit -- Simple non-inverting circuit question

1. The problem statement, all variables and given/known data

Image

2. The attempt at a solution

0V*(236k/R1) + (-0.1cos(500t)*(236k/1k)) = 23.7cos(500t)

Is this the correct setup of the equation because there is no R1 variable to solve for...?

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#### berkeman

Mentor
1. The problem statement, all variables and given/known data

Image

2. The attempt at a solution

0V*(236k/R1) + (-0.1cos(500t)*(236k/1k)) = 23.7cos(500t)

Is this the correct setup of the equation because there is no R1 variable to solve for...?
I am not understanding your equations. KCL equations are in the form of currents leaving a node, so voltages divided by resistances...

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