Refers to the non- metallic materials that have the ferromagnetic properties of iron.

A. Ferrites

B. Ferromagnetic

C. Diamagnetic

D. Paramagnetic

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  1. What is another name for relative permittivity?
  2. __________ is a substance of whose molecules consist of the same kind of atom.
  3. Mmf in a magnetic circuit corresponds to _____ in an electric circuit
  4. Which of the following is a paramagnetic material?
  5. The evaporation of electrons from a heated surface is called
  6. What is the other name for dielectric strength?
  7. The core of a transformer heats up when its primary is fed from an ac source because of
  8. Hydrogen is an example of a _____ material.
  9. The idea of preventing one component from affecting another through their common electric and magnetic…
  10. Who discovered the most important electrical effects which is the magnetic effect?
  11. The temperature coefficient of resistance of semiconductors is
  12. A group of magnetically aligned atoms is called
  13. An atom or a group of atoms that carries a net electric charge.
  14. If a 20 V potential is applied across a relay coil with 50 turns having 1 ? of resistancea the total…
  15. If you hold the conductor with right hand so that the stretched thumb points in the direction of the…
  16. A law relating between the magnetic and electric susceptibilities and the absolute temperatures which…
  17. The process by which an emf and hence current is generated or induced in a conductor when there is a…
  18. The temperature coefficient of resistance of conductors is
  19. A law establishing the fact that the algebraic su of the rises and drops of the mmf around a closed…
  20. A factor used to correct for the electrostatic forces of the more distant ions in an ionic solid.
  21. The branch of Engineering which deals with the magnetic effect of electric current is known as
  22. Gases whose particles are charged are known as
  23. The conduction of electricity across the surface of a dielectric is called
  24. What is the SI unit of conductivity?
  25. The electric flux density is a ________ quantity.
  26. The property of a material which opposes the creation of magnetic flux in it
  27. The force of attraction or repulsion between two magnetic poles is directly proportional to their strengths.
  28. Two similar polesa each 1Wba placed 1 m apart in air will experience a repulsive force of
  29. Calculate the permeability (in T/A. t/m) of a magnetic material that has a relative permeability of…
  30. Steel is hard to magnetize because of its