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Materials that have very high permeabilities (hundreds and even thousands times of that of free space)

A. Paramagnetic

B. Non- magnetic

C. Ferromagnetic

D. Diamagnetic

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  1. There are how many compounds available in nature?
  2. The idea of preventing one component from affecting another through their common electric and magnetic…
  3. What is the unit of reluctance?
  4. The temperature coefficient of resistance of semiconductors is
  5. The induced emf in a wire loop that is moved parallel to a uniform magnetic field is
  6. What is another name for relative permittivity?
  7. The electrons in the last orbit of an atom are called _______ electrons.
  8. Paramagnetic substance has a relative permeability of
  9. The point in a magnet where the intensity of magnetic lines of force is maximum
  10. The contribution to the ionization in an ionization chamber by electrons liberated from t he walls.
  11. The force of attraction or repulsion between two magnetic poles is directly proportional to their strengths.
  12. If a magnetic flux cuts across 200 turns at a rate of 2Wb/sa the induced voltage according to Faraday's…
  13. At/m is a unit of
  14. Calculate the permeability (in T/A. t/m) of a magnetic material that has a relative permeability of…
  15. Permeability means
  16. The evaporation of electrons from a heated surface is called
  17. How much is the flux in Weber in the above problem?
  18. A test charge means a charge of
  19. A substance that attracts pieces iron
  20. The process by which an emf and hence current is generated or induced in a conductor when there is a…
  21. Who discovered that a current-carrying conductor would move when placed in a magnetic field?
  22. The quantity of magnetism retained by a magnetic material after withdrawal of the magnetizing force…
  23. What is the relative permittivity of air?
  24. Define as that pole which when placed in air from a similar and equal pole repels it with a force of…
  25. If the relative permittivity of a material is 10a then its permittivity is
  26. Mmf in a magnetic circuit corresponds to _____ in an electric circuit
  27. What is the unit of magnetomotive force?
  28. The relation between absolute permittivity of air ( 0)a absolute p and velocity of light (c) is given…
  29. Which of the following is a diamagnetic material?
  30. The electric field intensity between the parallel plate air capacitor is 20 N/C. If an insulating slab…