Special Purpose Op-Amp Circuits 1 Questions and Answers
Special Purpose Operational Amplifier (Op-Amp) Circuits are widely used in filters, oscillators, and voltage regulators. These circuits are essential for analog signal processing and control applications. In GATE, ISRO, and DRDO exams, aptitude questions and answers based on Op-Amp configurations, characteristics, and applications frequently appear. Understanding the working principles of comparators, precision rectifiers, and integrators helps students solve circuit-related problems efficiently. Practice aptitude questions and answers with explanations to enhance conceptual clarity and problem-solving skills in analog electronics.
Special Purpose Op-Amp Circuits 1
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59 questions
1. Isolation amps are named as such because they are sealed for protection from outside environmental damage.
- TRUE
- FALSE
2. To construct an instrumentation amplifier, two op-amps and seven resistors are needed.
- TRUE
- FALSE
6. The main purpose of a voltage follower is to
- Amplify voltage
- Provide impedance matching
- Invert the signal
- Filter high frequency noise
7. An inverting summing amplifier sums inputs with
- Positive weights
- Negative weights
- Unity weights only
- Random weights
8. A non-inverting summing amplifier output is a
- Negative weighted sum
- Positive weighted sum
- Product of inputs
- Difference of inputs
9. A differential amplifier outputs
- Sum of two inputs
- Difference of two inputs
- Product of two inputs
- Average of two inputs
10. The ideal common-mode rejection ratio (CMRR) of a differential amplifier is
- 0
- 1
- Very high
- Very low