Claudio Salin
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Claudio Salin
Created by Claudio Salin over 5 years ago
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What is an amplifier? (QUIZ)

Question 1 of 5

1

An amplifier is an electrical device that increases signals.

Select one of the following:

  • True
  • False

Explanation

Question 2 of 5

1

The FET amplifier is used in weak signal amplifiers

Select one of the following:

  • True
  • False

Explanation

Question 3 of 5

1

The efficiency is the measure of how much of the power source is usefully applied to the amplifiers input.

Select one of the following:

  • True
  • False

Explanation

Question 4 of 5

1

What does mean "pickup"?

Select one or more of the following:

  • Trasduttore

  • Raccoglitore

  • Camioncino

Explanation

Question 5 of 5

1

What is the negative feedback?

Select one or more of the following:

  • Technique to avoid distortion by comparing the gain of the amplifier to the output.

  • A technique to avoid distortion by fed back a portion of the output signal and compare it with the input signal.

  • A technique to avoid gain-excess by fed back a portion of the output signal and compare it with the input signal.

Explanation

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