Basic Op-Amp Circuits 1 Questions and Answers

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Q11
A differentiator is used to measure
  • A the sum of the input voltages.
  • B the difference between two voltages.
  • C the area under a curve.
  • D the rate of change of the input voltage.
Answer: Option D
Q12
A(n) ________ amplifier is a summing amplifier with a closed-loop gain equal to the reciprocal of the number of inputs.
  • A averaging
  • B scaling
  • C none of the above
Answer: Option A
Q13
________ is a mathematical process for determining the rate of change of a function.
  • A Integration
  • B Differentiation
  • C Summing
  • D Comparatoring
Answer: Option B
Q14
An integrator circuit
  • A uses a resistor in its feedback circuit.
  • B uses an inductor in its feedback circuit.
  • C uses a capacitor in its feedback circuit.
  • D uses a resistor in its feedback circuit or uses a capacitor in its feedback circuit
Answer: Option C
Q15
In a comparator with output bounding, what type of diode is used in the feedback loop?
  • A Schottky
  • B junction
  • C zener
  • D varactor Answer & Explanation
Answer: Option C
Q16
A comparator with hysteresis is sometimes known as a(n)
  • A integrator.
  • B differentiator.
  • C Schmitt trigger.
  • D none of the above
Answer: Option C
Q17
Which of the following are variations of the basic summing amplifier?
  • A averaging amplifier
  • B scaling amplifier
  • C both of the above
Answer: Option C
Q18
An op-amp integrator uses a capacitor as the feedback element.
  • A TRUE
  • B FALSE
Answer: Option A
Q19
An op-amp can be used as a comparator to determine when an input voltage exceeds a certain level.
  • A TRUE
  • B FALSE
Answer: Option A
Q20
The output voltage of a summing amplifier is proportional to the sum of the input voltages.
  • A TRUE
  • B FALSE
Answer: Option A

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