Exercise: Operational Amplifiers

Questions for: Operational Amplifiers

If the two inputs to a differential amplifier are exactly the same, then the output is the signal multiplied by two.
A:
True
B:
False
C:
D:
Answer: B
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This circuit is a voltage follower.

A:
True
B:
False
C:
D:
Answer: B
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This circuit is a bandpass filter.

A:
True
B:
False
C:
D:
Answer: A
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This circuit is operating in a closed-loop mode.

A:
True
B:
False
C:
D:
Answer: B
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Feedback is used in an open-loop operational amplifier circuit.
A:
True
B:
False
C:
D:
Answer: B
No answer description is available. Let's discuss.
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