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One of the solid structures in which the position of the atoms or ions are predetermined

A. Crystalline solid

B. Amorphous solid

C. Polycrystalline solid

D. Poly amorphous solid

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  1. The ratio of the permeability of material to the permiabiity of air or vacuum.
  2. The emf induced in a coil due to the change of its own flux linked with it is called
  3. One farad equals
  4. What is the measure of the density and sign of the electric charge at a point relative to that at some…
  5. Calculate the permeability (in T/A. t/m) of a magnetic material that has a relative permeability of…
  6. When the relative permeability of a material is slightly less than 1a it is called _____ material.
  7. Whenever a flux inking a coil or current changesa an emf is induced in it. This is known as
  8. Bonding of atoms that is due to the force of attraction between positive ions and a group of negative…
  9. Hysteresis loss can be reduced by one of the following.
  10. Amorphous solid is also called
  11. Small voltages generated by a conductor with current in an external magnetic field.
  12. The B-H curve for ________ is a straight line passing through the origin.
  13. A magnetic pole produces 5000 field lines. How much is the flux in webers? A. 50 × 10^-6
  14. The force between two magnetic poles is _____ their poles strength.
  15. The unit of flux density is
  16. Ohm's law can be used only to a _____ circuit or component.
  17. The magnetic materials should have a large hysteresis loss for one of the following applications.
  18. One electron volt (1 eV) is equivalent to _____ joules
  19. Materials whose permeabilities are slightly greater than that of free space
  20. What determines the atomic number of an element?
  21. The relative permeability of a magnetic material is 10^5. What is its permeability?
  22. What is the unit of reluctance?
  23. Which of the following has the least number of valence electrons?
  24. How many neutrons does a copper atom have?
  25. What is the SI unit of conductance?
  26. The greater percentage of materials is _________.
  27. When a current carrying conductor is placed in a magnetic fielda the maximum force will act on the conductor…
  28. A substance that attracts pieces iron
  29. When the ferromagnetic substance is inserted in a current- carrying solenoida the magnetic field is
  30. What is the SI unit of specific resistance or resistivity?