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## Homework Statement

I am doing a little bit of research about op amps. What i know so far from the book it that op amp have a very large open loop gain. To reduce the gain to desired amount we need resistor which connect output to invering terminal(negative feedback).

## Homework Equations

How does the op amp work in closed loop? How resistors help to control the magnitude of amplification( assuming the case of non invering amplifier)?i would like to get little bit of intuition about this and possibly avoid the math. Thanks in advance