Who discovereda the relationship between magnetism and electricity that serves as the foundation for the theory of electromagnetism?

A. Luigi Galvani

B. Hans Christian Oersted

C. Andre Ampere

D. Charles Coulomb

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  1. The amount of magnetizing force to counter balance the resid magnetic material is referred to as
  2. Which of the following electric quantities is vector in character?
  3. Defined as the number of lines per unit area through any substance in a plane at right angles to the…
  4. Formed when there exist distant electronic interactions between (opposite) charges present in the neighboring…
  5. If the number of valence electrons of an atom is less than 4a then the substance is probably
  6. What is the SI unit of conductance?
  7. The mass of proton is __________ the mass of an electron.
  8. Materials that have very high permeabilities (hundreds and even thousands times of that of free space)
  9. The force of attraction or repulsion between two magnetic poles is inversely proportional to the square…
  10. What is the unit of magnetomotive force?
  11. The evaporation of electrons from a heated surface is called
  12. Who discovered the most important electrical effects which is the magnetic effect?
  13. The force acting on a unit n- pole placed at that point is called
  14. The electric flux density is a ________ quantity.
  15. A factor used to correct for the electrostatic forces of the more distant ions in an ionic solid.
  16. What bond is formed when electrons in the outermost energy orbits of the atoms are shared between two…
  17. The quantity 10^6 maxwells is equivalent to one
  18. What determines the value of the temperature coefficient of resistance of a material?
  19. Electric field intensity is a ________.
  20. The magnetic flux through a coil changes. This results to the induced emf acting in a direction as to
  21. Lenz' law states that the direction of the induced emf and hence current
  22. The electrons in the last orbit of an atom are called _______ electrons.
  23. Hysteresis refers to the ______ between flux density of the material and the magnetizing force applied.
  24. As the magnetic intensity decreasesa the relative permeability of a magnetic material
  25. The greater percentage of materials is _________.
  26. The simplest type of atom to exist is the ______ atom.
  27. The energy stored in an electrostatic field or electromagnetic field is called
  28. All magnetic field originates from
  29. The unit of flux density is
  30. An alloy of 22 percent iron and 78 per cent nickel.