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Home ‣ Electronics and Communication Engineering ‣ Matching Questions See What Others Are Saying!
  • Question

  • Match the following:

    List I (Electron spin) List II (Phenomenon)
    A. ???? 1. Antiferromagnetism
    B. ???? 2. Ferrimagnetism
    C. ???? 3. Ferromagnetism


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

  • Correct Answer
  • A-3, B-1, C-2 

    • More questions

    • 1. The induced magnetic dipole moment has a direction opposite to the applied magnetic field.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. Match the following:

      List I List II
      A. p type semiconductor 1. silicon
      B. n type semiconductor 2. holes are majority carriers
      C. Intrinsic semiconductor 3. electrons are majority carriers
      D. Tungsten 4. is a metal


    • Options
    • A. A-2, B-3, C-1, D-4
    • B. A-1, B-2, C-3, D-4
    • C. A-4, B-3, C-2, D-1
    • D. A-3, B-1, C-2, D-4
      • Discuss
    • 3. When temperature is above ferromagnetic Curie temperature, a ferromagnetic material

    • Options
    • A. becomes a paramagnetic material
    • B. becomes a very strong ferromagnetic material
    • C. becomes diamagnetic material
    • D. none of the above
      • Discuss
    • 4. The dipole moment per unit volume P as a function of E for an insulator is

    • Options
    • A. P = ?0 E(?r)
    • B. P = ?0 E
    • C. P = ?0(?r - 1) E
    • D. P =
      • Discuss
    • 5. When a trivalent impurity is added, the semiconductor becomes

    • Options
    • A. p type
    • B. n type
    • C. intrinsic
    • D. neutral
      • Discuss
    • 6. Which of these has the highest dielectric strength?

    • Options
    • A. Mica
    • B. Air
    • C. Cotton
    • D. Rubber
      • Discuss
    • 7. Consider the probability density f(x) = ae-b|x| where x is a random variable whose allowable values range from x = - ? to x = + ?. P(1 ? x ? 2)

    • Options
    • A.
    • B.
    • C.
    • D. (e-b - e-2b)
      • Discuss
    • 8. Which of these devices is used in relaxation oscillator?

    • Options
    • A. UJT
    • B. SCR
    • C. DIAC
    • D. TRIAC
      • Discuss
    • 9. The number of turns in a coil is doubled. If initial time constant is T, the new time constant is

    • Options
    • A. T
    • B. 2T
    • C. 4T
    • D.
      • Discuss
    • 10. A PIN diode can be used

    • Options
    • A. as a shunt mounted switch
    • B. as a series mounted switch
    • C. both as series or shunt mounted switch
    • D. non of the above
      • Discuss

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