Amplifiers in Electronics
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Questions and Answers

What is the main purpose of an amplifier?

  • Maintaining the power of a signal
  • Increasing the power of a signal (correct)
  • Reversing the power of a signal
  • Decreasing the power of a signal

    • How are amplifiers typically described in popular use?

  • Devices that maintain frequency
  • Devices that reduce voltage
  • Devices that decrease current
  • Devices that increase power (correct)

    • Which type of amplifier is designed to work with an electric guitar?

  • FET amplifier
  • Headphone amplifier
  • RF amplifier
  • Valve amplifier (correct)

    • What do inverting amplifiers do to the signal?

    <p>Reverse its polarity</p> Signup and view all the answers

    Which type of amplifier is intended for driving headphones?

    <p>Audio amplifier</p> Signup and view all the answers

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