The op amp in the circuit Figure 8 ΚΩ (Figure 1) is ideal. Suppose R = 15 kn 240 mV 60 ΚΩ 30 ΚΩ + www •15 V Σ40 ΚΩ 10 to+t -15 V VR < 1 of 1 > Part A Calculate ia- Express your answer to three significant figures and include the appropriate units. ia = Submit Part B Va= μà Submit Value Request Answer Calculate va Express your answer to three significant figures and include the appropriate units. μA Value Units Request Answer ? Units ?

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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.