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The space outside the magnet where its pole have a force of attraction or repulsion on a magnetic pole is called

A. Magnetic field

B. Electric field

C. Electromagnetic field

D. Free Space Field

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  1. The force acting on a pole of 5 Wb is 25 N. What is the intensity of the magnetic field?
  2. What is the maximum number of electrons that can be accommodated in the last orbit of an atom?
  3. The hot resistance of an incandescent lamp is about _______ its cold resistance.
  4. The quantity of magnetism retained by a magnetic material after withdrawal of the magnetizing force…
  5. What determines the atomic number of an element?
  6. Amorphous solid is also called
  7. A principle that states that only two electrons with different spins are allowed to exist in a given…
  8. What is the typical saturation flux density for most magnetic materials?
  9. The ratio of the total flux (flux in iron path) to the useful flux (flux in air gap)
  10. Which of the following is a vector quantity?
  11. The emf produced in a wire by its motion across a magnetic field does not depend upon the
  12. Flux density is measured in
  13. The physical motion resulting from the forces of magnetic fields is called
  14. What is the SI unit of conductivity?
  15. The magnetic field of a bar magnet most closely resembles the magnetic field of
  16. Materials that have very high permeabilities (hundreds and even thousands times of that of free space)
  17. The phenomenon that when an electric current passes through an anisotropic crystala there is an absorption…
  18. The magnetic flux of 2000 lines is how many Maxwells?
  19. When a wire loop is rotated in a magnetic field the direction of the induced emf changes one in every…
  20. Residual magnetism refers to the flux densitya which exists in the iron core when the magnetic field…
  21. A t/m is a unit of
  22. The greater percentage of materials is _________.
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  24. The resistivity of a conductor ___________ with an increase in temperature.
  25. What bond is formed when one or more electrons in the outermost energy orbit of an atom are transferred…
  26. What principle states that each electron in an atom must have a different set of quantum numbers?
  27. A germanium atom has an atomic weight of72. How many neutrons are there?
  28. The dielectric constant of most materials lies between
  29. The electric flux density is a ________ quantity.
  30. What is the SI unit of magnetic flux?