IndiaBIX

Electronics - Operational Amplifiers

Exercise : Operational Amplifiers - General Questions
26.
The voltage follower has a:
closed-loop voltage gain of unity
small open-loop voltage gain
closed-loop bandwidth of zero
large closed-loop output impedance
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
What is the output waveform of the circuit?

sine wave
square wave
sawtooth wave
triangle wave
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
The ratio between differential gain and common-mode gain is called:
amplitude
differential-mode rejection
common-mode rejection
phase
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
What is the frequency of this 555 astable multivibrator?

mcq15_1038_1.gif
278 Hz
178 Hz
78 Hz
8 Hz
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
If the gain of a closed-loop inverting amplifier is 3.9, with an input resistor value of 1.6 kilohms, what value of feedback resistor is necessary?
6240 ohms
2.4 kilohms
410 ohms
0.62 kilohms
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers