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ARC-Easy / Mercury_SC_402054 / How is a telephone able to transmit sound?

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

How is a telephone able to transmit sound?

choices

  • It conducts vibrations from speaker to receiver.
  • It magnifies a person's voice.
  • It carries the sounds through wires.
  • It converts vibrations to electrical signals.

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Source and history

Official source

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