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The core of a magnetic equipment uses a magnetic material with

A. Least permeability

B. Low permeability

C. Moderate permeability

D. High permeability

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  1. The electrons in the last orbit of an atom are called _______ electrons.
  2. How much is the flux in Weber in the above problem?
  3. The magnetic flux through a wire loop in a magnetic field does not d
  4. The ratio of the total flux (flux in iron path) to the useful flux (flux in air gap)
  5. Who developed the electromagnetic theory of light in 1862?
  6. The electric flux density is a ________ quantity.
  7. What principle states that each electron in an atom must have a different set of quantum numbers?
  8. The science of adapting electronics to aerospace flight.
  9. Which of the following is used by temporary magnets as the magnetic material?
  10. Hipernik is an alloy containing __________ iron and __________ nickel.
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    A magnetic pole produces 5000 field lines. How much is the flux in webers? A. 50 10^-6
  12. A magnetic field is
  13. Materials whose permeabilities are slightly greater than that of free space
  14. Electron is a Greek word for
  15. What is the maximum number of electrons that can be accommodated in the last orbit of an atom?
  16. The force of attraction or repulsion between two magnetic poles is inversely proportional to the square…
  17. ______ is an electromagnet with its core in the form of a close magnetic ring.
  18. What solid has no defined crystal structure except perhaps in the arrangement of the nearest neighboring…
  19. Which of the following is a paramagnetic material?
  20. An effect which is generally used in the gausameter to measure flux density.
  21. Ohm's law cannot be applied to which material?
  22. The force between two charges placed a given distance apart ______ as the relative permittivity of the…
  23. The property of magnetic materials of retaining magnetism after withdrawal of the magnetizing force…
  24. An electron- volt (eV) is a unit of
  25. Temporary magnets are commonly employed in
  26. When the relative permeability of a material is slightly less than 1a it is called _____ material.
  27. When the relative permeability of a material is much greater than 1a it is called _______ material.
  28. The physical motion resulting from the forces of magnetic fields is called
  29. A principle that states that only two electrons with different spins are allowed to exist in a given…
  30. What is the diameter of an atom?