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Electronic Devices - Op-Amp Applications

Exercise : Op-Amp Applications - Filling the Blanks
1.
In an instrumentation amplifier, the output voltage is based on the ________ times a scale factor.
summation of the two inputs
product of the two inputs
difference between the two inputs
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
In a millivoltmeter, the diodes and the capacitor are used in ________ parts of the circuit.
the dc
the ac
both the dc and ac
neither the dc nor ac
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
________ can be used as a voltage-controlled voltage source.
Only an inverting op-amp circuit
Only a noninverting op-amp circuit
Neither inverting nor noninverting op-amp circuits
Both inverting and noninverting op-amp circuits
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
The output voltage of a voltage buffer is ________ with the input voltage.
in phase
45º out of phase
90º out of phase
180º out of phase
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
Op-amp circuits are used in ________ voltmeters.
only dc
only ac
both ac and dc
neither ac nor dc
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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