The magnetic field around the conductor is determined by the

A. Size of the conductor

B. Amount of current

C. Current divided by the resistance

D. Resistance divided by the current

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  1. A magnetic material losses its ferromagnetic properties at a point called
  2. One that has magnetic poles produced by internal atomic structure with no external current necessary
  3. The straight line passing through the two poles of magnet is called
  4. What is the cgs unit of magnetomotive force?
  5. The quantity 10^6 maxwells is equivalent to one
  6. Mmf in a magnetic circuit corresponds to _____ in an electric circuit
  7. If the distance between two magnetic poles decreases by 2 timesa the force between them
  8. What bond is formed when electrons in the outermost energy orbits of the atoms are shared between two…
  9. A law relating between the magnetic and electric susceptibilities and the absolute temperatures which…
  10. Electrons at the outer shell are called
  11. A negative ion results when an atom gains an additional
  12. The ratio of the permeability of material to the permiabiity of air or vacuum.
  13. What is the relative permittivity of air?
  14. What determines the value of the temperature coefficient of resistance of a material?
  15. What is the other name for dielectric strength?
  16. The physical motion resulting from the forces of magnetic fields is called
  17. Who discovered superconductivity in 1911?
  18. Core materials of a good relay have _________ hysteresis loop.
  19. How is mutual inductance between two coils decreased?
  20. Which of the following is a vector quantity?
  21. Back emf refers to the
  22. A positively charged body has
  23. Steel is hard to magnetize because of its
  24. When the ferromagnetic substance is inserted in a current- carrying solenoida the magnetic field is
  25. Permeance is analogous to
  26. Refers to the magnetic lines
  27. Permeance of a magnetic circuit is _________ the cross-sectional area of the circuit.
  28. If the number of valence electrons of an atom is more than 4a the substance is called
  29. A permanent magnet does not exert a force on
  30. The electric potential across part AB of a circuit is 5 V; point A being at higher potential. If a charge…