Operational Amplifiers MCQs

Technical Mcqs Objective Questions

Home / Technical Mcqs / Operational Amplifiers

22. A ______ is not a multivibrator.

23. An op-amp circuit in which the output voltage is equal to the difference between the two input voltages is called a(n) _____

B. differentiator

C. differential amplifier

D. voltage regulator

24. The Q of a crystal _________.

A. is extremely low

B. is about 40 or so in most cases

C. is extremely high

D. none of the above

25. The 555 timer can be connected to operate a(n) ___________.

A. astable multivibrator

B. bistable multivibrator

C. monostable multivibrator

D. astable multivibrator and a monostable multivibrator

26. The voltage required to force the differential output to zero is called _______.

A. input-offset current

B. input-offset voltage

C. input bias current

D. slew rate voltage

27. The common-mode rejection ratio (CMMR) is the ratio of _____ to ______.

A. the differential voltage gain, the common-mode voltage gain

B. the differential power gain, the common-mode power gain

C. the ideal voltage gain, the actual voltage gain

D. signal voltage, noise voltage

28. If the input to a comparator is a sine wave, the output is a(n) _________.

A. ramp voltage

C. sawtooth wave

D. rectangular wave

Page 4 of 12

« 2 3 4 56 »