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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. Darlington amplifier 1. A circuit using pnp and npn transistors
    B. CB amplifier 2. A CS amplifier driving a CG amplifier
    C. Cascade amplifier 3. A circuit with over-all voltage gain close to 1 and very large input impedance
    D. Complementary symmetry amplifier 4. A circuit with low input impedance


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

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

    • More questions

    • 1. In the given figure the reflected voltage wave after first reflection is

    • Options
    • A. 18 V
    • B. -18 V
    • C. 30 V
    • D. -30 V
      • Discuss
    • 2. For a system to work, as oscillator the total phase shift of the loop gain must be equal to

    • Options
    • A. 90°
    • B. 45°
    • C. 270°
    • D. 360°
      • Discuss
    • 3. Which chopper circuit operates in quadrants 1 and 4?

    • Options
    • A. A
    • B. B
    • C. D
    • D. E
      • Discuss
    • 4. A wave Em cos (bx - ?t) is a backward wave.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. In a waveguide the dielectric region is generally

    • Options
    • A. air
    • B. magnetic material
    • C. brass
    • D. mica
      • Discuss
    • 6. The equation D = ?0?r E refers only to isotropic materials.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. An electromagnetic wave can be completely guided by a dielectric rod or slab.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. Thyristors connected in series need static and dynamic stabilizing circuits.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. A photoconductor is a

    • Options
    • A. conductor
    • B. semiconductor
    • C. insulator
    • D. superconductor
      • Discuss
    • 10. The number of protons in a copper atom are

    • Options
    • A. 2
    • B. 9
    • C. 11
    • D. 29
      • Discuss

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