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Permeability means

A. The conductivity of the material for magnetic lines of force

B. The magnetization test in the material after exciting field has been removed

C. The strength of an electromagnet

D. The strength of the permanent magnet

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  1. The magnetic flux through a wire loop in a magnetic field does not d
  2. Flux linkages equals
  3. A law that states that the polarity of the induced voltage will oppose the change in magnetic flux causing…
  4. The greater percentage of materials is _________.
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    If the resistance of a material 2 m long and 2 m^2 in area of cross-section is 1.6 10^-8 ?a then its resistivity is
  6. The phenomenon that when an electric current passes through an anisotropic crystala there is an absorption…
  7. Refers to the magnetic lines
  8. Mmf in a magnetic circuit corresponds to _____ in an electric circuit
  9. One oersted (Oe) is equivalent to _____ Gb/cm.
  10. ______ is an electromagnet with its core in the form of a close magnetic ring.
  11. When a wire loop is rotated in a magnetic field the direction of the induced emf changes one in every…
  12. Defined as the number of lines per unit area through any substance in a plane at right angles to the…
  13. Why is it that the magnitude of magnetomotive force required for air gap is much greater than that required…
  14. A one cubic cm of copper has how many free electrons at room temperature?
  15. Which element has four valence electrons?
  16. Electromotive force in a circuit
  17. The electric flux density is a ________ quantity.
  18. Residual magnetism refers to the flux densitya which exists in the iron core when the magnetic field…
  19. What principle states that each electron in an atom must have a different set of quantum numbers?
  20. What determines the value of the temperature coefficient of resistance of a material?
  21. Germanium atom has ______ protons and ______ electrons.
  22. Define as that pole which when placed in air from a similar and equal pole repels it with a force of…
  23. The magnetic energy stored in an inductor is ______ current.
  24. A negatively charge body has
  25. A test charge means a charge of
  26. Which of the following is a natural magnet?
  27. The point in a magnet where the intensity of magnetic lines of force is maximum
  28. The contribution to the ionization in an ionization chamber by electrons liberated from t he walls.
  29. What bond is formed when electrons in the outermost energy orbits of the atoms are shared between two…
  30. The magnitude of the induced emf in a coil is directly proportional to the rate of change of flux linkages.…