CA 13 Prelim Examination

22 Questions | Total Attempts: 20

SettingsSettingsSettings
Please wait...
CA 13 Prelim Examination


Questions and Answers
  • 1. 
    Who built the first transmitter?
    • A. 

      Gugliermo Marcone

    • B. 

      Nick Thomson

    • C. 

      Edwin H. Armstrong

    • D. 

      Heinrich Rudolf Hertz

    • E. 

      Thomas Thompson

    • F. 

      Nicholas Tesxas

    • G. 

      None of the above

  • 2. 
    Who invented the first FM Radio? 
    • A. 

      Gugliermo Marcone

    • B. 

      Nikola Tesla

    • C. 

      Edwin H. Armstrong

    • D. 

      James Clerk Maxwell

    • E. 

      Thomas Thompson

    • F. 

      Heinrich Rudolf Hertz

    • G. 

      None of the above

  • 3. 
    He showed mathematical solution that electromagnetic waves could propagate through space.
    • A. 

      Edwin H. Armstrong

    • B. 

      James Clerk Maxwell

    • C. 

      Heinrich Rudolf Hertz

    • D. 

      Gugliermo Marcone

    • E. 

      Gregore Horthman

    • F. 

      Thomas Thompson

    • G. 

      None of the above

  • 4. 
    He demonstrated Maxwell theory of detecting electro-radiation.
    • A. 

      Nick Thomson

    • B. 

      Edwin H. Armstrong

    • C. 

      Heinrich Rudolf Hertz

    • D. 

      James Clerk Maxwell

    • E. 

      Gregore Horthman

    • F. 

      Thomas Edison

    • G. 

      None of the above

  • 5. 
    What is the first known Communication Radio Set?
    • A. 

      Radio Spectrum Ultra-magnetic Communication Set

    • B. 

      Spark Radio

    • C. 

      Spark Ultra Spectrum Set

    • D. 

      Space-wave Communication Set

    • E. 

      Spark Gap transmitter

    • F. 

      Crystal Set

    • G. 

      None of the above

  • 6. 
    What date FM Radio invented?
    • A. 

      1873

    • B. 

      1963

    • C. 

      1933

    • D. 

      1888

    • E. 

      1873

    • F. 

      1896

    • G. 

      None of the above

  • 7. 
    When was the first transmitter invented?
    • A. 

      1888

    • B. 

      1896

    • C. 

      1856

    • D. 

      1863

    • E. 

      1872

    • F. 

      1869

    • G. 

      None of the above

  • 8. 
    It is a theory explains that electro-radiation could be able to detect by means of a transmitter. 
    • A. 

      Theory of electro-radiation

    • B. 

      Law of electro-dynamism

    • C. 

      Theory of electromagnetism

    • D. 

      Law of electromagnetism

    • E. 

      Theory of electro-modulation

    • F. 

      Law of electro-modulation

    • G. 

      None of the above

  • 9. 
    It is the first commercially intended radio transmitter.
    • A. 

      Crystal spectrum DSI

    • B. 

      Crystal DSI Set

    • C. 

      Spark Gap transmitter

    • D. 

      Crystal Magnetism DIF

    • E. 

      Crystal Set

    • F. 

      Crystal Gap DSI

    • G. 

      All of the above

  • 10. 
    It is a receiver that contains only a detector.
    • A. 

      AM electrical DSI

    • B. 

      FM Reciprocal DSI

    • C. 

      AM receiver

    • D. 

      FM receiver

    • E. 

      AM transmitter

    • F. 

      FM Transmitter

    • G. 

      None of the above

  • 11. 
    Nikola Tesla demonstrated Maxwell’s mathematical findings to demonstrate that sending and receiving a radio frequency. He proposed the method of sending and receiving can be used as the same medium of sending and receiving information.
    • A. 

      TRUE

    • B. 

      FALSE

    • C. 

      NEVERMIND

  • 12. 
    According to Maxwell sound waves could propagate through space.
    • A. 

      TRUE

    • B. 

      FALSE

    • C. 

      NEVERMIND

  • 13. 
    The first transmitter was capable to 1- 1 and half mile.
    • A. 

      TRUE

    • B. 

      FALSE

    • C. 

      NEVERMIND

  • 14. 
    Light emitting-diode was used by Gugliermo Marcono in creating the first transmitter.
    • A. 

      TRUE

    • B. 

      FALSE

    • C. 

      NEVERMIND

  • 15. 
    Oscillators, RF Amplifier and modulator are the primary components of a FM transmitter.
    • A. 

      TRUE

    • B. 

      FALSE

    • C. 

      NEVERMIND

  • 16. 
    Spark Gap Transmitter was not released commercially because it is prone to spark. It was tested that this transmitter may produced or creates electrical sparks that could cause fire.
    • A. 

      TRUE

    • B. 

      FALSE

    • C. 

      NEVERMIND

  • 17. 
    AM stands for Amplitude Modulator.
    • A. 

      TRUE

    • B. 

      FALSE

    • C. 

      NEVERMIND

  • 18. 
    Edwin Howartz Armstrong invented FM Radio.
    • A. 

      TRUE

    • B. 

      FALSE

    • C. 

      NEVERMIND

  • 19. 
     All statements above are related and connected to the theory of electromagnetism by James Clairk Maxwell.
    • A. 

      TRUE

    • B. 

      FALSE

    • C. 

      NEVERMIND

  • 20. 
    The Limiter discriminates the radio waves (intelligent) upon entering the FM receiver.
    • A. 

      TRUE

    • B. 

      FALSE

    • C. 

      NEVERMIND

  • 21. 
    Identify this radio waveform.
  • 22. 
    Identify this radio waveform.
Related Topics
Back to Top Back to top