What is an amplifier? (QUIZ)

Descripción

group: Bobbo, Salin
Claudio  Salin
Test por Claudio Salin , actualizado hace más de 1 año
Claudio  Salin
Creado por Claudio Salin hace más de 5 años
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Resumen del Recurso

Pregunta 1

Pregunta
An amplifier is an electrical device that increases signals.
Respuesta
  • True
  • False

Pregunta 2

Pregunta
The FET amplifier is used in weak signal amplifiers
Respuesta
  • True
  • False

Pregunta 3

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

Pregunta 4

Pregunta
What does mean "pickup"?
Respuesta
  • Trasduttore
  • Raccoglitore
  • Camioncino

Pregunta 5

Pregunta
What is the negative feedback?
Respuesta
  • 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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