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The total number of magnetic lines of force in a magnetic field is called

A. Magnetic flux

B. Magnetic flux density

C. Magnetic flux intensity

D. Magnetic potential

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  1. Which of the following statements is TRUE?
  2. What is the cgs unit of magnetomotive force?
  3. The force between two charges placed a given distance apart ______ as the relative permittivity of the…
  4. Materials that have very high permeabilities (hundreds and even thousands times of that of free space)
  5. A length of wire has a resistance of 10 ohms. What is the resistance of a wire of the same material…
  6. The greater percentage of materials is _________.
  7. Which of the following magnetic materials can be easily magnetized in both direction?
  8. The force which set ups or tends to set up magnetic flux in a magnetic circuit
  9. The force acting on a pole of 5 Wb is 25 N. What is the intensity of the magnetic field?
  10. The induced emf in a wire loop that is moved parallel to a uniform magnetic field is
  11. The unit of flux is _____ in cgs system.
  12. If two similar charges 1 coulomb each are placed 1 m apart in aira then the force of repulsion is
  13. Whenever a conductor cuts magnetic fluxa an emf is induced in it. This is known as
  14. Materials whose permeabilities are slightly greater than that of free space
  15. The electrons in the last orbit of an atom are called _______ electrons.
  16. What is the usual value of leakage coefficient for electrical machines?
  17. Electron is a Greek word for
  18. Electric lines of force leave or enter the charge surface at an angle of
  19. Which of the following has the least number of valence electrons?
  20. One of the common application of an air- cored choke.
  21. The K shell or the first shell has how many permissible number of orbiting electrons?
  22. An atom or a group of atoms that carries a net electric charge.
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    A magnetic pole produces 5000 field lines. How much is the flux in webers? A. 50 10^-6
  24. At/m is a unit of
  25. Magnetic intensity is a
  26. A t/m is a unit of
  27. It is the reciprocal of reluctance and implies the case of readiness with which magnetic flux is developed.
  28. The contribution to the ionization in an ionization chamber by electrons liberated from t he walls.
  29. If the number of valence electrons of an atom is exactly 4a then the substance is called
  30. The straight line passing through the two poles of magnet is called