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The ratio between the intensity of magnetization produced in a substance to the magnetizing force producing it

A. Magnetic Reluctivity

B. Magnetic Resistivity

C. Magnetic susceptibility

D. Magnetic conductivity

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  1. The relative permeability of a magnetic material is 10^5. What is its permeability?
  2. Magnetic field intensity is a ________ quantity.
  3. Electric field intensity at a point is numerically equal to ________ at that point.
  4. The magnetic flux through a coil changes. This results to the induced emf acting in a direction as to
  5. When the ferromagnetic substance is inserted in a current- carrying solenoida the magnetic field is
  6. If a 20 V potential is applied across a relay coil with 50 turns having 1 ? of resistancea the total…
  7. Calculate the flux density that will be produced by the field intensity of 2000 a. t/m for a permeability…
  8. The flux density in an air-cored coil is 10^-3 Wb/m^2. With a cast iron core of relative permeability…
  9. How is mutual inductance between two coils decreased?
  10. The straight line passing through the two poles of magnet is called
  11. Electric field intensity is a ________.
  12. Electric potential is a _______ quantity.
  13. Electric lines of force leave or enter the charge surface at an angle of
  14. The induced emf in a wire loop that is moved parallel to a uniform magnetic field is
  15. Materials that have very high permeabilities (hundreds and even thousands times of that of free space)
  16. Whenever a flux inking a coil or current changesa an emf is induced in it. This is known as
  17. The B-H curve for ________ is a straight line passing through the origin.
  18. When the relative permeability of a material is slightly more than 1a it is called ______ material.
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    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 its resistivity is
  20. The science of adapting electronics to aerospace flight.
  21. The temperature coefficient of resistance of eureka is
  22. The resistivity of a conductor ___________ with an increase in temperature.
  23. Steel is hard to magnetize because of its
  24. What principle states that each electron in an atom must have a different set of quantum numbers?
  25. The greater percentage of materials is _________.
  26. What is the SI unit of reluctance?
  27. Which of the following is a natural magnet?
  28. An effect which is generally used in the gausameter to measure flux density.
  29. If the number of valence electrons of an atom is more than 4a the substance is called
  30. The process by which an emf and hence current is generated or induced in a conductor when there is a…