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The property of magnetic materials of retaining magnetism after withdrawal of the magnetizing force is known as

A. Retentivity

B. Reluctivity

C. Resistivity

D. Conductivity

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  1. Used to maintain strength of magnetic field
  2. One ampere- turn is equivalent to _____ gilberts
  3. Flux density is measured in
  4. Gases whose particles are charged are known as
  5. What is the cgs unit of magnetomotive force?
  6. Bonding of atoms that is due to the force of attraction between positive ions and a group of negative…
  7. How much is the flux in Weber in the above problem?
  8. Refers to the magnetic lines
  9. Who discovereda the relationship between magnetism and electricity that serves as the foundation for…
  10. The conduction of electricity across the surface of a dielectric is called
  11. The core of a magnetic equipment uses a magnetic material with
  12. The total number of magnetic lines of force in a magnetic field is called
  13. A magnetic material losses its ferromagnetic properties at a point called
  14. If the value of 25 a conductor is 1/255 per oCa then the value of 20is
  15. Which of the following materials has the least hysteresis loop area?
  16. The electric flux density is a ________ quantity.
  17. The electrons in the last orbit of an atom are called _______ electrons.
  18. What is the measure of the density and sign of the electric charge at a point relative to that at some…
  19. One weber of flux is equal to _______ magnetic lines of force.
  20. A magnetic field is
  21. Which of the following is a diamagnetic material?
  22. A magnetizing force of 1000 AT/m will produce a flux density of __________ i
  23. When a conductor is stationary and the magnetic field is moving or changing the emf induced is called
  24. The force between two magnetic poles is _____ their poles strength.
  25. A germanium atom has an atomic weight of72. How many neutrons are there?
  26. The process by which an emf and hence current is generated or induced in a conductor when there is a…
  27. An electron- volt (eV) is a unit of
  28. When the relative permeability of a material is much greater than 1a it is called _______ material.
  29. When a current carrying conductor is placed in a magnetic fielda the maximum force will act on the conductor…
  30. The tiniest element of matter