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- Subject
- Operational Amplifierelectrical-engineering-mcqs › operational-amplifier
- Published
- 23 Dec 2018
- Last updated
- 28 May 2026
Explanation
The input offset current is the difference between the two input bias currents. Given both bias currents are 50 µA, the offset current is |50 µA - 49.3 µA| = 700 nA.
More Operational Amplifier MCQs
Practice related questions from the same subject.
- 1.An operational amplifier's output voltage rises by 8 volts over a period of 12 microseconds. What is the slew rate of the op-amp?
- 2.What effect does negative feedback have on a circuit's input impedance and bandwidth?
- 3.In a differential amplifier, the differential voltage gain is calculated as RC divided by which of the following?
- 4.In a differential amplifier, the gain for common-mode signals is given by the value of RC divided by which of the following?
- 5.How does the common-mode voltage gain compare to the differential voltage gain?
- 6.The input impedance of a differential amplifier is given by r’e multiplied by which of the following?
- 7.What is the approximate voltage at the node located at the top of the tail resistor?
- 8.What types of signals can an operational amplifier amplify?
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