Materials whose permeabilities are slightly greater than that of free space

A. Paramagnetic

B. Non- magnetic

C. Ferromagnetic

D. Diamagnetic

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  1. When the ferromagnetic substance is inserted in a current- carrying solenoida the magnetic field is
  2. The emf produced in a wire by its motion across a magnetic field does not depend upon the
  3. The resistivity of a conductor ___________ with an increase in temperature.
  4. Which of the following is a diamagnetic material?
  5. The point in a magnet where the intensity of magnetic lines of force is maximum
  6. The tiniest element of matter
  7. The relative permeability of a magnetic material is 10^5. What is its permeability?
  8. One weber of flux is equal to _______ magnetic lines of force.
  9. Which of the following materials has the least hysteresis loop area?
  10. The temperature coefficient of resistance of conductors is
  11. As the magnetic intensity decreasesa the relative permeability of a magnetic material
  12. What bond is formed when one or more electrons in the outermost energy orbit of an atom are transferred…
  13. A magnetic circuit carries a flux iin the iron part and a fluxgin the air gap. What is the leakage coefficient?
  14. Amorphous solid is also called
  15. A good conductor has how many valence electrons?
  16. The force between two magnetic poles is _____ the relative permeability of the medium.
  17. One oersted (Oe) is equivalent to _____ Gb/cm.
  18. At/m is a unit of
  19. When a current carrying conductor is placed in a magnetic fielda the maximum force will act on the conductor…
  20. Temporary magnets are commonly employed in
  21. It is the reciprocal of reluctance and implies the case of readiness with which magnetic flux is developed.
  22. The magnetic flux through a wire loop in a magnetic field does not d
  23. Electronic current in a wire is the flow of ____________ electrons.
  24. A law that states that the current in a thermionic diode varies directly with the three- halves power…
  25. The permeability of a material having a flux density of 5 Wb/m^2 is 10^-5 H/m. What is the value of…
  26. Electric field intensity at a point due to a given charge ______ if the relative permittivity of the…
  27. If the solenoid is gripped by the right hand with the fingers pointing the direction of current flowa…
  28. The force between two magnetic poles is _____ their poles strength.
  29. The dielectric constant of most materials lies between
  30. The ability of a mechanically stressed ferromagnetic wire to recognize rapid switching of magnetization…