☰ Electrical Engineering Material (Electrical Engineering) - MCQs

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Q31.

which one of the following is not a ferromagnetic material?

  • A. cobalt
  • B. iron
  • C. nickel
  • D. bismuth
    ✍ Discuss    
Q32.

air exhubits

  • A. ferromagnetism
  • B. paramagnetism
  • C. antiferromagnetism
  • D. ferri magnetism
    ✍ Discuss    
Q33.

iron is a

  • A. ferromagnetism
  • B. paramagnetism
  • C. antiferromagnetism
  • D. ferrimagnetism
    ✍ Discuss    
Q34.

which one of the following classes of material can be categorised as ferrites

  • A. plastics
  • B. metals
  • C. alloys
  • D. ceramics
    ✍ Discuss    
Q35.

a keeper is used for

  • A. restoring of lost flux
  • B. amplification of flux
  • C. providing a closed path for the magnetic flux
  • D. changing the direction of magnetic lines of force
    ✍ Discuss    
Q36.

the bar magnet has

  • A. monopole moment
  • B. dipole moment
  • C. both a and b
  • D. none of these
    ✍ Discuss    
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