Moderate

The relative permeability is less than unity is case of_____________?

Correct answer: D. diamagnetic materials

  • A. ferromagnetic materials
  • B. ferrites
  • C. non-ferrous materials
  • D. diamagnetic materials

Explanation

Diamagnetic materials have relative permeability slightly below unity because they weakly oppose an applied magnetic field. Ferromagnetic and ferrite materials have relative permeability much greater than unity.

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