Op Amp — Part 2 MCQs with Explanations

Slew rate is the correct answer to “A differential amplifier is invariably used in the input stage of all OP-amps. This is done basically to provide the OP-amps with a very high”. This question is standard in competitive examination syllabi for Op Amp.

equal to zero is the correct answer to “With zero volts on both inputs, an OP-amp ideally should have an output ___________”. This question is standard in competitive examination syllabi for Op Amp.

two times either collector current is the correct answer to “The tail current of a differential amplifier is .”. This question is standard in competitive examination syllabi for Op Amp.

2 is the correct answer to “A differential amplifier has a differential gain of 20,000. CMRR = 80dB. The common mode gain is given by”. This question is standard in competitive examination syllabi for Op Amp.

A and B both is the correct answer to “The use of negative feedback”. This question is standard in competitive examination syllabi for Op Amp.

an identical signal appears on both the inputs is the correct answer to “In the common mode, ___________”. This question is standard in competitive examination syllabi for Op Amp.

Inverting and non inverting is the correct answer to “The two input terminals of an opamp are labeled as”. This question is standard in competitive examination syllabi for Op Amp.

True is the correct answer to “OP-amp circuits may be cascaded without changing their input output relationships”. This question is standard in competitive examination syllabi for Op Amp.

both iputs is the correct answer to “A common mode signal is applied to ___________”. This question is standard in competitive examination syllabi for Op Amp.

Instrumentation amplifiers is the correct answer to “Differential amplifiers are used in”. This question is standard in competitive examination syllabi for Op Amp.

differential amplifier is the correct answer to “The input stage of an OP-amp is usually a ___________”. This question is standard in competitive examination syllabi for Op Amp.

700 nA is the correct answer to “A certain OP-amp has bias currents of 50 µA. The input offset current is”. This question is standard in competitive examination syllabi for Op Amp.

-5V is the correct answer to “The output voltage Vo of the above circuit is”. This question is standard in competitive examination syllabi for Op Amp.

$$\frac{{{{\text{A}}_{\text{V}}}}}{{{{\text{A}}_{\text{C}}}}}$$ is the correct answer to “For an OP-amp having differential gain A v and common mode gain A c the CMRR is given by”. This question is standard in competitive examination syllabi for Op Amp.

difference between two base currents is the correct answer to “The input offset current equals the ___________”. This question is standard in competitive examination syllabi for Op Amp.