Refers to the magnetic lines

A. Flux

B. Hysteresis

C. Current

D. Magnetomotive force

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  1. The net electrical charge in an isolated system remains constant. This is known as
  2. Germanium atom has ______ protons and ______ electrons.
  3. The temperature coefficient of resistance of a conductor ______ with an increase in temperature.
  4. The tiniest element of matter
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    When the current flowsa the magnetic field . conductor is in what direction?
  6. What is the main advantage of temporary magnets?
  7. Which of the following statements is TRUE?
  8. The diameter of a hydrogen atom is approximately ______ cm.
  9. The ability of a mechanically stressed ferromagnetic wire to recognize rapid switching of magnetization…
  10. Theory of ferromagnetic phenomena which assumes each atom is a permanent magnet which can turn freely…
  11. When the ferromagnetic substance is inserted in a current- carrying solenoida the magnetic field is
  12. Hydrogen is an example of a _____ material.
  13. The magnetic flux through a coil changes. This results to the induced emf acting in a direction as to
  14. The phenomenon by which a subtracts pieces of iron
  15. Who demonstrated the theory of electromagnetic induction in 1831?
  16. Core materials of a good relay have _________ hysteresis loop.
  17. The relative permeability of a magnetic material is 10^5. What is its permeability?
  18. As the magnetic intensity decreasesa the relative permeability of a magnetic material
  19. A negatively charge body has
  20. The magnetic flux through a wire loop in a magnetic field does not d
  21. What is the cgs unit of magnetomotive force?
  22. When a current carrying conductor is placed in a magnetic fielda the maximum force will act on the conductor…
  23. A factor used to correct for the electrostatic forces of the more distant ions in an ionic solid.
  24. Which of the following magnetic materials can be easily magnetized in both direction?
  25. The magnetic field around the conductor is determined by the
  26. The unit of flux density is
  27. Calculate the permeability (in T/A. t/m) of a magnetic material that has a relative permeability of…
  28. The unit of electrical energy is
  29. The quantity of magnetism retained by a magnetic material after withdrawal of the magnetizing force…
  30. A magnetic material losses its ferromagnetic properties at a point called