Cobalt is an example of a ______ material.

A. Paramagnetic

B. Diamagnetic

C. Ferromagnetic

D. Non- magnetic

Related Questions

  1. Core materials of a good relay have _________ hysteresis loop.
  2. A magnetic pole produces 5000 field lines. How much is the flux in webers? A. 50 × 10^-6
  3. When the relative permeability of a material is slightly more than 1a it is called ______ material.
  4. Mmf in a magnetic circuit corresponds to _____ in an electric circuit
  5. When a wire loop is rotated in a magnetic field the direction of the induced emf changes one in every…
  6. Ohm's law can be used only to a _____ circuit or component.
  7. When the ferromagnetic substance is inserted in a current- carrying solenoida the magnetic field is
  8. The resistance of a material is ____________ its area of cross-section.
  9. How much is the flux in Weber in the above problem?
  10. The force between two magnetic poles is _______ their pole strengths.
  11. This paper does not exhibit electricity because it contains the same number of
  12. If the resistance of a material 2 m long and 2 m^2 in area of cross-section is 1.6 ×10^-8 ?a then…
  13. Who demonstrated the theory of electromagnetic induction in 1831?
  14. A law relating between the magnetic and electric susceptibilities and the absolute temperatures which…
  15. The ability of a mechanically stressed ferromagnetic wire to recognize rapid switching of magnetization…
  16. Referred to as the specific reluctance of a material
  17. The magnetic field around the conductor is determined by the
  18. The dielectric constant of most materials lies between
  19. The permittivity of a material is given by one of the following formulas.
  20. If the number of valence electrons of an atom is less than 4a then the substance is probably
  21. A current if flowing east along a power line. If the earth's field is neglecteda the direction of the…
  22. All matters (gasa liquid and solid) are composed of
  23. The force between two magnetic poles is _____ their poles strength.
  24. The potential at a point due to a charge is 15 V. If the distance is times, the potential at the point…
  25. If the value of 25 of a conductor is 1/230 per oCa then the value of 0is
  26. What is the relative permittivity of air?
  27. One of the solid structures in which the position of the atoms or ions are predetermined
  28. The process by which an emf and hence current is generated or induced in a conductor when there is a…
  29. Defined as a closed path in which magnetic induction or flux flows
  30. The air space between poles of magnets

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