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Electronics - Operational Amplifiers

Exercise : Operational Amplifiers - General Questions
11.
If ground is applied to the (+) terminal of an inverting op-amp, the (–) terminal will:
not need an input resistor
be virtual ground
have high reverse current
not invert the signal
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
An astable multivibrator is also known as a:
one-shot multivibrator
free-running multivibrator
bistable multivibrator
monostable multivibrator
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
With negative feedback, the returning signal:
aids the input signal
is proportional to output current
opposes the input signal
is proportional to differential voltage gain
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
What starts a free-running multivibrator?
a trigger
an input signal
an external circuit
nothing
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
A portion of the output that provides circuit stabilization is considered to be:
negative feedback
distortion
open-loop
positive feedback
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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