Which of the following materials has permeability slightly less than that of free space?

A. Paramagnetic

B. Non- magnetic

C. Ferromagnetic

D. Diamagnetic

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  2. What is used as the dielectric material in high voltage transformers?
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  5. All matters (gasa liquid and solid) are composed of
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  7. One oersted (Oe) is equivalent to _____ Gb/cm.
  8. Who discovered that a current-carrying conductor would move when placed in a magnetic field?
  9. Which of the following is a paramagnetic material?
  10. The core of a transformer heats up when its primary is fed from an ac source because of
  11. A magnetic material losses its ferromagnetic properties at a point called
  12. A 200-watt lamp working for 24 hours will consume approximately _____ units.
  13. When the relative permeability of a material is slightly more than 1a it is called ______ material.
  14. Permeability means
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  16. What is the usual value of leakage coefficient for electrical machines?
  17. Temporary magnets are commonly employed in
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  19. The temperature coefficient of resistance of conductors is
  20. As the magnetic intensity decreasesa the relative permeability of a magnetic material
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  22. The property of a material which opposes the creation of magnetic flux in it
  23. Magnetic intensity is a
  24. How is mutual inductance between two coils decreased?
  25. Hysteresis refers to the ______ between flux density of the material and the magnetizing force applied.
  26. The electric flux density is a ________ quantity.
  27. Which of the following electric quantities is vector in character?
  28. What is the cgs unit of magnetomotive force?
  29. One weber of flux is equal to _______ magnetic lines of force.
  30. The emf induced in a coil due to the change of its own flux linked with it is called