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Questions and Answers
Which of the following best describes an operational amplifier (op-amp)?
Which of the following best describes an operational amplifier (op-amp)?
- A device that amplifies the average of two input voltages
- A device that amplifies the product of two input voltages
- A device that amplifies the sum of two input voltages
- A device that amplifies the difference between two input voltages (correct)
Which of the following is a common application of operational amplifiers?
Which of the following is a common application of operational amplifiers?
- Wireless communication
- Digital logic design
- Audio amplification (correct)
- Voltage regulation
What is the typical voltage gain of an operational amplifier?
What is the typical voltage gain of an operational amplifier?
- 100
- 10000
- 1000
- 100000 (correct)
