Radiowaves

Cards (7)

  • Do Radio waves have a high or low wavelength and frequency
    High wavelength
    Low frequency
  • Are radio waves generated using ac or dc
    Alternating current
  • Oscilloscope
    Device used to display wavelength, amplitude and frequency
  • How do radio waves generate a current?
    When radio waves are absorbed they create an alternating current with the same frequency as the radio itself
  • 3 uses of radio waves
    Television transmission
    Radio transmission
    Bluetooth
  • What do we attach to an oscilloscope to generate a radio wave
    Transmitter
  • What do we attach to an oscilloscope to receive a radio wave
    A receiver