Everyday Applications of Speakers and How They Work Quiz
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Questions and Answers

What is the main purpose of a speaker?

  • To convert electromagnetic waves into sound waves
  • To convert sound waves back to electromagnetic waves
  • To amplify sound for a large group of people (correct)
  • To convert sound waves to electrical signals

    • Where is the microphone located on the mBot2?

  • Behind the CyberPi
  • On the top left of the CyberPi (correct)
  • On the side of the CyberPi
  • On the front of the CyberPi

    • What other device uses the same principle as a speaker?

  • Television
  • Microphone (correct)
  • mBot2
  • Event hall

    • In what kind of appliances can small speaker systems be found?

    <p>Televisions, musical instruments, and smartphones</p> Signup and view all the answers

    What is another use of the microphone and speaker in combination with other sensors of mBot2, as mentioned in the text?

    <p>Recording and playing back sounds at specific times</p> Signup and view all the answers

    What is the purpose of microphones?

    <p>To convert sound waves to electrical signals</p> Signup and view all the answers

    Which devices have large speaker systems for amplifying sound?

    <p>Theaters, concert halls, and event halls</p> Signup and view all the answers

    In what way can speakers convert sound waves back to electromagnetic waves?

    <p>By reversing the conversion process</p> Signup and view all the answers

    What is the position of the speaker on the mBot2?

    <p>On the front of the CyberPi</p> Signup and view all the answers

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