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Home ‣ Electronics and Communication Engineering ‣ Satellite Communication See What Others Are Saying!
  • Question

  • Rotation of a geosynchronous satellite means its


  • Options
  • A. drift from stationary position
  • B. wobbling
  • C. three-axis stabilization
  • D. three-dimensional stabilization

  • Correct Answer
  • wobbling 

    • More questions

    • 1. In synchronous detection of an AM signal

    • Options
    • A. Carrier is completely suppressed
    • B. Both side hands are suppressed
    • C. Only one side band and part of carrier is suppressed
    • D. One side band and full carrier is suppressed
      • Discuss
    • 2. At millimeter wavelength the favoured mode in circular wave guide is

    • Options
    • A. TE01
    • B. TE11
    • C. TE20
    • D. TE21
      • Discuss
    • 3. A TEM wave is incident normally on a perfect conductor. The E and H fields at boundary will respectively be

    • Options
    • A. minimum and maximum
    • B. minimum and minimum
    • C. maximum and minimum
    • D. maximum and maximum
      • Discuss
    • 4. The hexadecimal number (3E8)16 is equal to decimal number

    • Options
    • A. 1000
    • B. 982
    • C. 768
    • D. 323
      • Discuss
    • 5. Induction wattmeter can be used in

    • Options
    • A. ac circuit only
    • B. dc circuit only
    • C. both ac and dc circuit
    • D. ac 3 phase only
      • Discuss
    • 6. A vacant electronic state moves in the same direction as would a positive charge carrier.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. The fact that domains exhibits spontaneous magnetisation is

    • Options
    • A. first hypothesis is of Curie
    • B. second hypothesis is of Weiss
    • C. Curie-Weiss law
    • D. Boltzmann's statistics
      • Discuss
    • 8. The power factor at the input terminals of a cyclo- converter is generally

    • Options
    • A. low and leading
    • B. low and lagging
    • C. high and leading
    • D. high and lagging
      • Discuss
    • 9. A class B chopper operates in third quadrant.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. Which of the following devices has metal-silicon junction?

    • Options
    • A. General purpose power diode
    • B. Schottky diode
    • C. SCR
    • D. MOSFET
      • Discuss

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