logo

CuriousTab

CuriousTab

Discussion


Home General Knowledge Technology Comments

  • Question
  • The electromagnetic coils on the neck of the picture tube or tubes which pull the electron beam from side to side and up and down are called a...?


  • Options
  • A. Transformer
  • B. Yoke
  • C. Capacitor
  • D. Diode

  • Correct Answer
  • Yoke 

    Explanation
    Twisting the yoke will tilt the picture. A projection color television uses three picture tubes and yokes for red, green and blue light.

  • Technology problems


    Search Results


    • 1. In which decade was the American Institute of Electrical Engineers (AIEE) founded?

    • Options
    • A. 1850s
    • B. 1880s
    • C. 1930s
    • D. 1950s
    • Discuss
    • 2. After the first photons of light are produced, which process is responsible for amplification of the light?

    • Options
    • A. Blackbody radiation
    • B. Stimulated emission
    • C. Planck's radiation
    • D. Einstein oscillation
    • Discuss
    • 3. '.INI' extension refers usually to what kind of file?

    • Options
    • A. Image file
    • B. System file
    • C. Hypertext related file
    • D. Image Color Matching Profile file
    • Discuss
    • 4. In a color television set using a picture tube a high voltage is used to accelerate electron beams to light the screen. That voltage is about...?

    • Options
    • A. 500 volts
    • B. 5 thousand volts
    • C. 25 thousand volts
    • D. 100 thousand volts
    • Discuss
    • 5. Where is the headquarters of Intel located?

    • Options
    • A. Redmond, Washington
    • B. Tucson, Arizona
    • C. Santa Clara, California
    • D. Richmond, Virginia
    • Discuss
    • 6. In which year was MIDI(Musical Instrument Digital Interface) introduced?

    • Options
    • A. 1987
    • B. 1983
    • C. 1973
    • D. 1977
    • Discuss
    • 7. Most modern TV's draw power even if turned off. The circuit the power is used in does what function?

    • Options
    • A. Sound
    • B. Remote control
    • C. Color balance
    • D. High voltage
    • Discuss
    • 8. Who is largely responsible for breaking the German Enigma codes, created a test that provided a foundation for artificial intelligence?

    • Options
    • A. Alan Turing
    • B. Jeff Bezos
    • C. George Boole
    • D. Charles Babbage
    • Discuss
    • 9. Larger buildings may be supplied with a medium voltage electricity supply, and will required a substation or mini-sub. What is the main item of equipment contained in these?

    • Options
    • A. Transformer
    • B. Transponder
    • C. Transducer
    • D. Converter
    • Discuss
    • 10. The ratio of width of our National flag to its length is

    • Options
    • A. 3:5
    • B. 2:3
    • C. 2:4
    • D. 3:4
    • Discuss


    Comments

    There are no comments.

Enter a new Comment