IndiaBIX

Electronics - Operational Amplifiers

Exercise : Operational Amplifiers - Filling the Blanks
6.
An op-amp circuit in which the output voltage is equal to the difference between the two input voltages is called a(n) _____
integrator
differentiator
differential amplifier
voltage regulator
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.

fbq18_1007.gif

The feedback resistor has a value of ______ in the given circuit

2 komega.gif
10.5 komega.gif
21 komega.gif
40 komega.gif
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.

fbq18_1012.gif

The input impedance is ______ for the amplifier in the given circuit. The data sheet values are Zin = 3 Momega.gif, Zout = 80 omega.gif, and Aol = 250,000.

4.7 komega.gif
22.7 komega.gif
3 Momega.gif
68.6 komega.gif
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
The Q of a crystal _________.
is extremely low
is about 40 or so in most cases
is extremely high
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
The 555 timer can be connected to operate a(n) ___________.
astable multivibrator
bistable multivibrator
monostable multivibrator
astable multivibrator and a monostable multivibrator
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers