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91¶¶Òõ

Last updated

12 January 2024

pptx, 6.15 MB
pptx, 6.15 MB

This lesson presentations covers OCR Gateway Physics 9-1 P4.2.6 Speakers and Microphones.

  • Definition of sound waves.
  • Structure and operation of a speaker.
  • Fleming’s left hand rule.
  • Structure and operation of a microphone.
  • Electromagnetic induction.
  • Comparison of speakers and motors.
  • Comparison of microphone and generators.
  • Comparing microphones and speakers

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