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Op Amp Circuit - Simple non-inverting circuit question

  1. Mar 30, 2014 #1

    dwn

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    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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    Last edited: Mar 30, 2014
  2. jcsd
  3. Mar 30, 2014 #2

    berkeman

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    Staff: Mentor

    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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