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  • Question

  • A fully controlled bridge converter feeds a highly inductive load such that the load current can be assumed to be constant. The wave shape of input current is


  • Options
  • A. dc
  • B. sinusoidal
  • C. rectangular
  • D. none of the above

  • Correct Answer
  • rectangular 

    • More questions

    • 1. If and A + B is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 2. JCOKE = 3
      JCOKE = JCOKE + 1
      GO TO (5, 8, 9, 11, 15, 16 18, 20) JCOKE.

      After the execution of above statement, the control is transferred to statement number

    • Options
    • A. 8
    • B. 11
    • C. 16
    • D. 20
      • Discuss
    • 3. In high frequency circuits impedance matching can be done by

      1. open circuited stubs
      2. short circuited stubs
      3. transformer
      Which of the above correct?

    • Options
    • A. 1, 2 and 3
    • B. 1 and 2 only
    • C. 1 and 3 only
    • D. 2 and 3 only
      • Discuss
    • 4. When a dc chopper feeds an RLE load, the load current, during steady state operation

    • Options
    • A. remains constant
    • B. varies between maximum and minimum values
    • C. may remain constant or vary
    • D. is constant if R is constant
      • Discuss
    • 5. The 1150 kg geosynchronous satellite INSAT-IA parked 36000 km above India had greatly improved India's

    • Options
    • A. intelligence gathering capacity
    • B. domestic communications
    • C. meteorological capability
    • D. both (b) and (c)
      • Discuss
    • 6. Geosynchronous satellites are always launched in the equatorial plane because it is the only plane which provides

    • Options
    • A. 24-hour orbit
    • B. stationary satellite
    • C. global communication
    • D. zero-gravity environs
      • Discuss
    • 7. Consider the signal flow graph shown in figure below. The gain is :

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 8. In a superheterodyne receiver, the IF is 455 kHz. If it is tuned to 1200 kHz, the image frequency will be

    • Options
    • A. 1655 kHz
    • B. 2110 kHz
    • C. 745 kHz
    • D. 910 kHz
      • Discuss
    • 9. The discussing sharing of a communication satellite by many geographically dispersed Earth station, DAMA means

    • Options
    • A. Demand-Assigned Multiple Access
    • B. Decibel Attenuated Microwave Access
    • C. Digital Analog Master Antenna
    • D. Dynamically-Assigned Multiple Access
      • Discuss
    • 10. A function having frequency f is to be sampled. The sampling time T should be

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss

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