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Paramagnetic substance has a relative permeability of

A. Slightly less than one

B. Equal to one

C. Slightly equal to one

D. Very much greater than one

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  1. A magnetic flux of 2.5 x10^4 Wb through an area of 5 x10^4 square meters results in
  2. A factor used to correct for the electrostatic forces of the more distant ions in an ionic solid.
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    When the current flowsa the magnetic field . conductor is in what direction?
  4. A negatively charge body has
  5. If the value of 25 of a conductor is 1/230 per oCa then the value of 0is
  6. Electrons at the outer shell are called
  7. The science of adapting electronics to aerospace flight.
  8. The force of attraction or repulsion between two magnetic poles is inversely proportional to the square…
  9. One oersted (Oe) is equivalent to _____ Gb/cm.
  10. What is the SI unit of specific resistance or resistivity?
  11. When a conductor is stationary and the magnetic field is moving or changing the emf induced is called
  12. Which of the following has the highest permeability?
  13. The greater percentage of materials is _________.
  14. If the number of valence electrons of an atom is exactly 4a then the substance is called
  15. The lagging effect between flux density of the material and the magne
  16. The property of a material which opposes the creation of magnetic flux in it
  17. Lenz' law states that the direction of the induced emf and hence current
  18. If two similar charges 1 coulomb each are placed 1 m apart in aira then the force of repulsion is
  19. If the number of valence electrons of an atom is less than 4a the substance is called
  20. What is the reluctance of a magnetic path having a length of 2x 10^-3m and crosssectional area of 2.5…
  21. What is the relative permittivity of air?
  22. The temperature coefficient of resistance of a conductor ______ with an increase in temperature.
  23. Who demonstrated that there are magnetic effects around every current-carrying conductor and that current-carrying…
  24. How many neutrons does a copper atom have?
  25. What is the value of the absolute permittivity of air?
  26. An atom or a group of atoms that carries a net electric charge.
  27. If the relative permittivity of a material is 10a then its permittivity is
  28. The magnetic flux through a coil changes. This results to the induced emf acting in a direction as to
  29. The current of electric circuit is analogous to which quantity of a m
  30. Ohm's law can be used only to a _____ circuit or component.