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      Question

      Device used to convert sound into electrical

      signals:
      A Amplifier Correct Answer Incorrect Answer
      B Microphone Correct Answer Incorrect Answer
      C Speaker Correct Answer Incorrect Answer
      D Oscillator Correct Answer Incorrect Answer

      Solution

      Amplifier β†’ increases strength of signals. Speaker β†’ converts electrical signals into sound. Oscillator β†’ produces oscillating signals. Only microphone converts sound to electrical signals.

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