Operational Amplifiers 3 Questions and Answers

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Showing 10 of 45 questions
Q41
All practical op-amps have input bias currents and voltages that produce output error voltages.
  • A TRUE
  • B FALSE
Answer: Option A
Q42
When the open-loop gain of an op-amp is reduced by negative feedback, the bandwidth is increased.
  • A TRUE
  • B FALSE
Answer: Option A
Q43
Open-loop gain of an op-amp is the voltage gain without feedback.
  • A TRUE
  • B FALSE
Answer: Option A
Q44
Open-loop gain is always smaller than closed-loop gain.
  • A TRUE
  • B FALSE
Answer: Option B
Q45
The common-mode rejection ratio (CMRR) is a measure of an op-amp's ability to reject common-mode input signals.
  • A TRUE
  • B FALSE
Answer: Option A

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