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Introduction to Transistor

An opamp has ...

Question

An opamp has a supply voltage of 9V AND -9V at its power terminals. What is the maximum output voltage one can obtain by varying the voltage across the inverting and non inverting terminals

A

Greater than 9V

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B

9V

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C

18V

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D

Can be infinity depending on the voltage gain of the opamp

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Solution

The correct option is B 9V
maximum voltage that can obtained will be equal to the supply voltage w.r.t ground and beyond which the amplifier will saturate

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