68ΚΩ +12V + Vo 22kΩ Va -9V 72k92 a. Calculate vo when VG = 3V. b. Specify the range of values of v so that the operational amplifier operates in linear mode. c. Assume that VG = 2V and that the 34k resistor is replaced with a variable resistor. What value of the variable resistor will cause the op-amp to saturate? 34ΚΩ 8ΚΩ

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Operational Amplifier

An operational amplifier also called op amp is an integrated circuit or analog circuit that takes input as a differential voltage and produces output as a single-ended voltage. It is an IC that can amplify weak electric signals.An op amp has one output pin and two input pins. The basic role of an opamp is to amplify the voltage difference between the two input voltages. It is also used in filtering or to perform mathematical operations or in signal conditioning.