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Electronics - Basic Op-Amp Circuits

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Exercise : Basic Op-Amp Circuits - General Questions
1.
The center frequency of a band-pass filter is always equal to the
bandwidth
–3 dB frequency
bandwidth divided by Q
geometric average of the critical frequencies
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
The formula mcq19_1008_1.gif shows that for a given capacitor, if the voltage changes at a constant rate with respect to time, the current will
increase
decrease
be constant
decrease logarithmically
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
A zero-level detector is a
comparator with a sine-wave output
comparator with a trip point referenced to zero
peak detector
limiter
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
A digital-to-analog converter is an application of the
scaling adder
voltage-to-current converter
noninverting amplifier
adjustable bandwidth circuit
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
If the value of resistor Rf in an averaging amplifier circuit is equal to the value of one input resistor divided by the number of inputs, the output will be equal to
the average of the individual inputs
the inverted sum of the individual inputs
the sum of the individual inputs
the inverted average of the individual inputs
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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