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The lagging effect between flux density of the material and the magne

A. Permeance

B. Eddy current

C. Hysteresis

D. R eluctance

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  1. Who discovered the most important electrical effects which is the magnetic effect?
  2. The magnetic field of a magnetized iron bar when strongly heated
  3. Paramagnetic substance has a relative permeability of
  4. Electric potential is a _______ quantity.
  5. Electron is a Greek word for
  6. The relation between absolute permittivity of air ( 0)a absolute p and velocity of light (c) is given…
  7. Who discovered superconductivity in 1911?
  8. A permanent magnet does not exert a force on
  9. The force of attraction or repulsion between two magnetic poles is inversely proportional to the square…
  10. Which of the following is a paramagnetic material?
  11. The science of adapting electronics to aerospace flight.
  12. If a 20 V potential is applied across a relay coil with 50 turns having 1 ? of resistancea the total…
  13. Residual magnetism refers to the flux densitya which exists in the iron core when the magnetic field…
  14. The evaporation of electrons from a heated surface is called
  15. The force acting on a pole of 5 Wb is 25 N. What is the intensity of the magnetic field?
  16. Three charges of +5 Ca -6 C and +9 C are placed inside a sphere. What is the total flux passing through…
  17. Calculate the flux density that will be produced by the field intensity of 2000 a. t/m for a permeability…
  18. Cobalt is an example of a ______ material.
  19. Electronic current in a wire is the flow of ____________ electrons.
  20. Referred to as the specific reluctance of a material
  21. What is the practical unit of electrical energy?
  22. The phenomenon by which a magnetic substance becomes a magnet when it is place near a magnet
  23. Theory of ferromagnetic phenomena which assumes each atom is a permanent magnet which can turn freely…
  24. The quantity 10^6 maxwells is equivalent to one
  25. A commercial alloy of aluminum nickela and iron with cobalta copper and titanium added to produce about…
  26. The amount of magnetizing force to counter balance the resid magnetic material is referred to as
  27. What is the measure of the density and sign of the electric charge at a point relative to that at some…
  28. What is the main advantage of temporary magnets?
  29. The dielectric constant of most materials lies between
  30. When the ferromagnetic substance is inserted in a current- carrying solenoida the magnetic field is