# Input Offset Voltage – 1 MCQ’s

This set of Linear Integrated Circuits Multiple Choice Questions & Answers (MCQs) focuses on “Input Offset Voltage – 1″.

1. What happens due to mismatch between two input terminals in an op-amp?
a) Input offset voltage
b) Output offset voltage
c) Bothe the input and output offset voltage
d) None of the mentioned

2. Define polarity of the output offset voltage in a practical op-amp?
a) Positive polarity
b) Negative polarity
c) Positive or negative polarity
d) None of the mentioned

3. What makes the output voltage equals to zero in practical op-amp?
a) Input offset voltage
b) Output offset voltage
c) Offset minimizing voltage
d) Error voltage

4. The input offset voltage of 741 op-amp has an absolute maximum value of 6mv, which means
a) Minimum difference between input terminals in 741 op-amp can be large as 6mv DC
b) Minimum difference between input terminals in 741 op-amp can be large as 6mv AC
c) Maximum difference between input terminals in 741 op-amp can be large as 6mv DC
d) Maximum difference between input terminals in 741 op-amp can be large as 6mv AC

5. To reduce the output offset voltage VooT to zero
a) Input offset voltage compensating network is added at the inverting input terminal
b) Input offset voltage compensating network is added at the non-inverting input terminal
c) Input offset voltage compensating network is added at the output terminal
d) None of the mentioned

6. Find out the voltage offset null circuit for the 741 op-amp?
a)

b)

c)

d)

7. If three different 741 op-amps are taken and the corresponding output offset voltage for each of them is measured. The output voltage in these three op-amps have
a) Same amplitude and polarity
b) Different amplitude and polarity
c) Same amplitude and different polarity
d) Different amplitude and same polarity

8. Which of the following op-amp does not need compensating network?
a) 777
b) 741
c) 748
d) All of the mentioned

9. What will the condition of op-amp, before applying any external input
a) Compensated
b) Biased
c) Balanced
d) Zero

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