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The temperature coefficient of resistance of eureka is

A. p ositive

B. negative

C. almost zero

D. i nfinite

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  1. What bond is formed when electrons in the outermost energy orbits of the atoms are shared between two…
  2. One oersted (Oe) is equivalent to _____ Gb/cm.
  3. The magnetic energy stored in an inductor is ______ current.
  4. As the magnetic intensity decreasesa the relative permeability of a magnetic material
  5. The electric potential across part AB of a circuit is 5 V; point A being at higher potential. If a charge…
  6. One that has magnetic poles produced by internal atomic structure with no external current necessary
  7. Permeance is analogous to
  8. The temperature coefficient of resistance of conductors is
  9. Used to maintain strength of magnetic field
  10. The quantity of magnetism retained by a magnetic material after withdrawal of the magnetizing force…
  11. What is the SI unit of magnetic flux?
  12. A magnetic circuit carries a flux iin the iron part and a fluxgin the air gap. What is the leakage coefficient?
  13. The force of attraction or repulsion between two magnetic poles is inversely proportional to the square…
  14. The force between two magnetic poles varies with the distance between them. The variation is ______…
  15. Two similar polesa each 1Wba placed 1 m apart in air will experience a repulsive force of
  16. The resistivity of a conductor ___________ with an increase in temperature.
  17. Cobalt is an example of a ______ material.
  18. Who discovered that a current-carrying conductor would move when placed in a magnetic field?
  19. Materials whose permeabilities are slightly greater than that of free space
  20. Magnetic intensity is a
  21. The force which set ups or tends to set up magnetic flux in a magnetic circuit
  22. A substance that attracts pieces iron
  23. A test charge means a charge of
  24. A factor used to correct for the electrostatic forces of the more distant ions in an ionic solid.
  25. One electron volt (1 eV) is equivalent to _____ joules
  26. Flux linkages equals
  27. The physical motion resulting from the forces of magnetic fields is called
  28. The temperature coefficient of resistance of semiconductors is
  29. When a wire loop is rotated in a magnetic field the direction of the induced emf changes one in every…
  30. Another term for corona discharge.