Another term for corona discharge.

A. Lightning

B. Sparking

C. Aurora

D. Corona Effect

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  1. The point in a magnet where the intensity of magnetic lines of force is maximum
  2. In electro-mechanical conversion devices like generators and motors the reason why a small air gap is…
  3. The idea of preventing one component from affecting another through their common electric and magnetic…
  4. The ratio between the intensity of magnetization produced in a substance to the magnetizing force producing…
  5. Two similar polesa each 1Wba placed 1 m apart in air will experience a repulsive force of
  6. Define as that pole which when placed in air from a similar and equal pole repels it with a force of…
  7. The uncharged particles which have no effect on its atomic charge.
  8. An effect which is generally used in the gausameter to measure flux density.
  9. There are how many compounds available in nature?
  10. One oersted (Oe) is equivalent to _____ Gb/cm.
  11. Magnetic field intensity is a ________ quantity.
  12. The force between two magnetic poles is _______ their pole strengths.
  13. Which of the following has the least number of valence electrons?
  14. Theory of ferromagnetic phenomena which assumes each atom is a permanent magnet which can turn freely…
  15. The induced emf in a wire loop that is moved parallel to a uniform magnetic field is
  16. If the value of 25 of a conductor is 1/230 per oCa then the value of 0is
  17. The force of attraction or repulsion between two magnetic poles is inversely proportional to the square…
  18. The mass of proton is __________ the mass of an electron.
  19. A test charge means a charge of
  20. The core of a magnetic equipment uses a magnetic material with
  21. An atom or a group of atoms that carries a net electric charge.
  22. The force between two magnetic poles varies with the distance between them. The variation is ______…
  23. Electric field intensity at a point is numerically equal to ________ at that point.
  24. The current of electric circuit is analogous to which quantity of a m
  25. What is the SI unit of magnetic flux?
  26. The lagging effect between flux density of the material and the magne
  27. If on looking at any one end of a solenoid; the direction of current flow is found to be clockwise then…
  28. A magnetic circuit carries a flux iin the iron part and a fluxgin the air gap. What is the leakage coefficient?
  29. What is the typical saturation flux density for most magnetic materials?
  30. A law that states that the polarity of the induced voltage will oppose the change in magnetic flux causing…