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13-01-2022
Engineering

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If the voltage applied to an inverting op amp is 3 volts, the feedback resistor is 20K ohms, and RIN is 10K ohms, the output voltage is _____.

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14-01-2022

Answer:

-6 V

Explanation:

The gain of the circuit is ...

gain = -Rf/Rin = -(20k)/(10k) = -2

Then the output is ...

Vout = gain × Vin

Vout = (-2)(3 V) = -6 V

The output voltage is -6 V.

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