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  • Question

  • Match the following:

    List I (FET Parameters) List II (Typical Values)
    A. gm for JFET 1. 25 kW
    B. rd for JFET 2. 0.01 siemen
    C. rd for MOSFET 3. 0.5 mW
    D. gg for JFET 4. 10-8 siemen


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

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

    • More questions

    • 1. In a microwave coaxial cable the inner conductor radius is a and inner radius of outside conductor is b. For TE11 mode the cut off wavelength is about

    • Options
    • A. a + b
    • B. p(a + b)
    • C. pa
    • D. pb
      • Discuss
    • 2. A 256 x 4 EPROM has

    • Options
    • A. 8 address pins and 4 data pins
    • B. 8 address pins and 8 data pins
    • C. 4 address pins and 8 data pins
    • D. 4 address pins and 4 data pins
      • Discuss
    • 3. A capacitor stores 0.15C at 5 V. Its capacitance is

    • Options
    • A. 0.75 F
    • B. 0.75 ?F
    • C. 0.03 F
    • D. 0.03 ?F
      • Discuss
    • 4. Loss angle of a good quality cable is about

    • Options
    • A. 1°
    • B. 30°
    • C. 70°
    • D. 90°
      • Discuss
    • 5. If B, H and M denote flux density, field intensity and magnetisation, B = ?0 (H + M).

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. 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
    • 7. 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
    • 8. 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
    • 9. 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
    • 10. 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

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