What is an amplifier? (QUIZ)

Descrição

group: Bobbo, Salin
Claudio  Salin
Quiz por Claudio Salin , atualizado more than 1 year ago
Claudio  Salin
Criado por Claudio Salin mais de 5 anos atrás
7
0

Resumo de Recurso

Questão 1

Questão
An amplifier is an electrical device that increases signals.
Responda
  • True
  • False

Questão 2

Questão
The FET amplifier is used in weak signal amplifiers
Responda
  • True
  • False

Questão 3

Questão
The efficiency is the measure of how much of the power source is usefully applied to the amplifiers input.
Responda
  • True
  • False

Questão 4

Questão
What does mean "pickup"?
Responda
  • Trasduttore
  • Raccoglitore
  • Camioncino

Questão 5

Questão
What is the negative feedback?
Responda
  • 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.

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