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Operational Amplifiers - General Questions (2)

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Operational Amplifiers - General Questions

9. 

How many logic states does an S-R flip-flop have?

A. 2
B. 3
C. 4
D. 5

Answer: Option C

Explanation:

No answer description available for this question

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10. 

The common-mode voltage gain is

A. smaller than differential voltage gain
B. equal to voltage gain
C. greater than differential voltage gain
D. None of the above

Answer: Option A

Explanation:

No answer description available for this question.

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11. 

mcq18_1012 (1)

What value of input resistance is needed in the given circuit to produce the given output voltage?

 

A. 50 omega
B. 4 komega
C. 4.08 komega
D. 5 komega

Answer: Option B

Explanation:

No answer description available for this question.

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12. 

When a capacitor is used in place of a resistor in an op-amp network, its placement determines:

A. open- or closed-loop gain
B. integration or differentiation
C. saturation or cutoff
D. addition or subtraction

Answer: Option B

Explanation:

No answer description available for this question.

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13. 

The Schmitt trigger is a two-state device that is used for:

A. pulse shaping
B. peak detection
C. input noise rejection
D. filtering

Answer: Option A

Explanation:

No answer description available for this question

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14. 

If the feedback/input resistor ratio of a feedback amplifier is 4.6 with 1.7 V applied to the noninverting input, what is the output voltage value?

A. 7.82 V
B. saturation
C. cutoff
D. 9.52 V

Answer: Option D

Explanation:

No answer description available for this question

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15. 

If an op-amp has one input grounded and the other input has a signal feed to it, then it is operating as what?

A. Common-mode
B. Single-ended
C. Double-ended
D. Noninverting mode

Answer: Option B

Explanation:

No answer description available for this question

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16. 

The major difference between ground and virtual ground is that virtual ground is only a:

A. voltage reference
B. current reference
C. power reference
D. difference reference

Answer: Option A

Explanation:

No answer description available for this question

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