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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. Ring modulator 1. Clock recovery
    B. VCO 2. Demodulation of FM
    C. Foster Seeley discriminator 3. Frequency conversion
    D. Mixer 4. Summing of two points
    5. Generation of FM
    6. Generation of DSB-SC


  • Options
  • A. A-1, B-3, C-2, D-4
  • B. A-6, B-5, C-2, D-3
  • C. A-6, B-1, C-3, D-2
  • D. A-5, B-6, C-1, D-3

  • Correct Answer
  • A-6, B-5, C-2, D-3 

    • More questions

    • 1. Soft iron is suitable for making temporary magnets.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. Hysteresis curve is associated with motion of domain walls.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. Slotted line can be used for measurement of high frequencies

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. A line of length slightly less than and short circuited at far end behaves as

    • Options
    • A. inductance L
    • B. capacitance C
    • C. L and C in series
    • D. L and C in parallel
      • Discuss
    • 5. At 0 K, silicon and germanium behave like monoatomic crystals.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. Assertion (A): For a solenoid having N turns, .

      Reason (R): For all magnetic materials, B increases linearly with I.


    • 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
    • 7. A ring counter with 5 flip flops will have

    • Options
    • A. 5 states
    • B. 10 states
    • C. 32 states
    • D. infinite states
      • Discuss
    • 8. A telephone exchange has 9000 subscribers. If the number of calls originating at peak time is 10, 000 in one hour, the calling rate is

    • Options
    • A. 0.9
    • B. 10/9
    • C. 0.81
    • D. 0.1
      • Discuss
    • 9. If air pressure in a rectangular waveguide is increased the maximum power handling capacity

    • Options
    • A. is decreased
    • B. is increased
    • C. remains the same
    • D. may increase or decrease depending on pressure
      • Discuss
    • 10. In directional coupler of the given figure, the terms |S14| and |S23| of scattering matrix are nearly

    • Options
    • A. 1 each
    • B. 0.5 each
    • C. 0.1 each
    • D. 1 and 0.5 respectively
      • Discuss

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