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The ratio of the total flux (flux in iron path) to the useful flux (flux in air gap)

A. Leakage flux

B. Leakage current

C. Leakage coefficient

D. Leakage factor

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  1. The reluctance of a magnetic circuit is not dependent on which of the following?
  2. Electric field intensity is a ________.
  3. The relative permeability of a magnetic material is 10^5. What is its permeability?
  4. The total number of magnetic lines of force in a magnetic field is called
  5. Magnetic field intensity is a ________ quantity.
  6. A length of wire has a resistance of 10 ohms. What is the resistance of a wire of the same material…
  7. The electric potential across part AB of a circuit is 5 V; point A being at higher potential. If a charge…
  8. The unit of flux is _____ in cgs system.
  9. The mass of proton is __________ the mass of an electron.
  10. The force between two magnetic poles varies with the distance between them. The variation is ______…
  11. What principle states that each electron in an atom must have a different set of quantum numbers?
  12. A law that states that the polarity of the induced voltage will oppose the change in magnetic flux causing…
  13. Which of the following statements is TRUE?
  14. The emf induced in a coil due to the changing current of another neighboring coil is called
  15. What is the SI unit of conductivity?
  16. When a current carrying conductor is placed in a magnetic fielda the maximum force will act on the conductor…
  17. Defined as the ratio of the volume occupied by the atoms or ions in a unit cell divided by the volume…
  18. Whenever a conductor cuts magnetic fluxa an emf is induced in it. This is known as
  19. Magnetic effects of the earth as a huge magnet with north and south poles.
  20. A law that states that the current in a thermionic diode varies directly with the three- halves power…
  21. Ohm's law cannot be applied to which material?
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    A magnetic pole produces 5000 field lines. How much is the flux in webers? A. 50 10^-6
  23. ______ is an electromagnet with its core in the form of a close magnetic ring.
  24. The conduction of electricity across the surface of a dielectric is called
  25. The emf produced in a wire by its motion across a magnetic field does not depend upon the
  26. The ratio of the permeability of material to the permiabiity of air or vacuum.
  27. What is the main advantage of temporary magnets?
  28. Defined as the number of lines per unit area through any substance in a plane at right angles to the…
  29. A law establishing the fact that the algebraic su of the rises and drops of the mmf around a closed…
  30. How is mutual inductance between two coils decreased?