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Home Electronics and Communication Engineering Matching Questions See What Others Are Saying!
  • Question
  • Match the following:

    List I List II
    A. Match the following: List I List II A. 1. Zero B. 2. 0.2 C. 3. Actuator D. 4. infinity A-1, B-2, C-3 1. Zero
    B. Match the following: List I List II A. 1. Zero B. 2. 0.2 C. 3. Actuator D. 4. infinity A-1, B-2, C-3 2. 0.2
    C. Match the following: List I List II A. 1. Zero B. 2. 0.2 C. 3. Actuator D. 4. infinity A-1, B-2, C-3 3. Actuator
    D. Match the following: List I List II A. 1. Zero B. 2. 0.2 C. 3. Actuator D. 4. infinity A-1, B-2, C-3 4. infinity


  • Options
  • A. A-1, B-2, C-3, D-4
  • B. A-1, B-3, C-2, D-4
  • C. A-4, B-3, C-2, D-1
  • D. A-4, B-2, C-3, D-1

  • Correct Answer
  • A-4, B-2, C-3, D-1 


  • More questions

    • 1. Which one of the following is true for EM wave propagation through rectangular waveguide of cross-section 2a x a

    • Options
    • A. critical wavelength for TE10 mode is the same as that for TE02 mode
    • B. critical wavelength for TE10 mode is one half of that for TE10 mode
    • C. critical wavelength for TE10 mode is the same as that for TM10 mode
    • D. critical wavelength for TE10 mode is double that for TE01mode
    • Discuss
    • 2. Minimum number of 2-input NAND gates required to implement the function F = (x + y) (Z + W) is

    • Options
    • A. 3
    • B. 4
    • C. 5
    • D. 6
    • Discuss
    • 3. The first and second subscripts in models of circular waveguides depict

    • Options
    • A. the number of full sine wave variations in circumference in direction and Bessel function variations in radial direction respectively
    • B. the Bessel function variations in radial direction and the number of full sine wave variations in circumference direction respectively
    • C. the Bessel function variations in circumference direction and number of full sine wave variations in radial direction respectively
    • D. none of the above
    • Discuss
    • 4. Which of the following is not a travelling wave?

    • Options
    • A. e = Em sin (?x - ?t)
    • B. e = Em cos (?x - ?t)
    • C. e = Em sin (?t - ?x)
    • D. e = Em sin (?x)
    • Discuss
    • 5. Consider a loss less antenna with a directive gain of + 6 dB. If 1 mW of power is fed to it the total power radiated by the antenna will be

    • Options
    • A. 4 mW
    • B. 1 mW
    • C. 7 mW
    • D. 1/4 mW
    • Discuss
    • 6. Which of these commutation methods uses an auxiliary SCR?

    • Options
    • A. Class A
    • B. Class B
    • C. Class C
    • D. Class D
    • Discuss
    • 7. In a broadcast superheterodynes receiver having no RF amplifier, the loaded Q of the antenna coupling circuit is 100. If the intermediate frequency is 455 kHz. The image frequency at 25 MHz will be

    • Options
    • A. 24.09 MHz
    • B. 24.54 MHz
    • C. 25.45 MHz
    • D. 25.91 MHz
    • Discuss
    • 8. A TR (transmitter receiver) tube has

    • Options
    • A. low loss for low power signals and high
    • B. high loss for low power signals and low loss for high level signal
    • C. low loss for both low level and high level signals
    • D. high loss for both low level and high level signals
    • Discuss
    • 9. The traffic-handling capacity of an Earth station on the uplink depends on

    • Options
    • A. its EIRP
    • B. satellite antenna gain
    • C. noise associated with the satellite
    • D. all of the above
    • Discuss
    • 10. Assertion (A): If WF is Fermi energy, v is velocity of electron and m is mass of electron, then .

      Reason (R): Conductivity of a metal depends on temperature and impurity concentration.


    • Options
    • A. Both A and R are true and R is correct explanation of A
    • B. Both A and R are true but R is not correct explanation of A
    • C. A is true but R is false
    • D. A is false but R is true
    • Discuss


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