5. Consider the two OPAMP circuits given below, which have the same inputs VIN1 and VIN2. What should the relationship between the resistors RF and R₁ be so that the output voltage vour of the two circuits is the same? Circuit A VINI R₁ VIN2 (a) RF = -R₁ (b) Rp = R₁ (c) RF = -1.5R₁ (d) RF = 1.5R₁ 6k 6k n VOUT VINI 6k 6k VIN2 Circuit B 6k 3k Ω VOUT

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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.