The resistance of a material is ____________ its area of cross-section.

A. directly proportional

B. independent of

C. inversely proportional to

D. equal to

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  1. The phenomenon by which a subtracts pieces of iron
  2. The temperature coefficient of resistance of semiconductors is
  3. The point in a magnet where the intensity of magnetic lines of force is maximum
  4. Hysteresis is a phenomenon of _________ in a magnetic circuit.
  5. A magnetizing force of 1000 AT/m will produce a flux density of __________ i
  6. What is the SI unit of conductivity?
  7. What is the practical unit of electrical energy?
  8. The quantity 10^6 maxwells is equivalent to one
  9. A law establishing the fact that the algebraic su of the rises and drops of the mmf around a closed…
  10. What is the cgs unit of magnetomotive force?
  11. One weber of flux is equal to _______ magnetic lines of force.
  12. The total number of magnetic lines of force in a magnetic field is called
  13. The unit of flux density is
  14. Paramagnetic substance has a relative permeability of
  15. Who discovered superconductivity in 1911?
  16. Calculate the flux density that will be produced by the field intensity of 2000 a. t/m for a permeability…
  17. What is the measure of the density and sign of the electric charge at a point relative to that at some…
  18. The magnetic flux through a wire loop in a magnetic field does not d
  19. If the length and area of cross-section of a wire are doubleda then its resistance
  20. The reluctance of a magnetic circuit is not dependent on which of the following?
  21. If a magnetic flux cuts across 200 turns at a rate of 2Wb/sa the induced voltage according to Faraday's…
  22. The permittivity of a material is given by one of the following formulas.
  23. The emf produced in a wire by its motion across a magnetic field does not depend upon the
  24. Germanium atom has ______ protons and ______ electrons.
  25. The ratio of the total flux (flux in iron path) to the useful flux (flux in air gap)
  26. What is the typical saturation flux density for most magnetic materials?
  27. The evaporation of electrons from a heated surface is called
  28. What is the unit of reluctance?
  29. The force acting on a unit n- pole placed at that point is called
  30. The induced emf in a wire loop that is moved parallel to a uniform magnetic field is