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The magnetic potential in a magnetic circuit can be measured in terms of

A. Mmf

B. Emf

C. Farad

D. Coulomb

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  1. A magnetic field is
  2. A permanent magnet does not exert a force on
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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
  4. The diameter of a hydrogen atom is approximately ______ cm.
  5. Gases whose particles are charged are known as
  6. The dielectric constant of most materials lies between
  7. A 200-watt lamp working for 24 hours will consume approximately _____ units.
  8. Who discovered the most important electrical effects which is the magnetic effect?
  9. When the ferromagnetic substance is inserted in a current- carrying solenoida the magnetic field is
  10. What determines the atomic number of an element?
  11. What is the usual value of leakage coefficient for electrical machines?
  12. The phenomenon by which a magnetic substance becomes a magnet when it is place near a magnet
  13. What revolves about the positive nucleus in a definite orbit?
  14. The reluctance of a magnetic circuit varies with
  15. Why is it that the magnitude of magnetomotive force required for air gap is much greater than that required…
  16. Lenz's law is the consequence of the law of conservation of
  17. Under ordinary conditionsa a body is considered
  18. The ratio between the intensity of magnetization produced in a substance to the magnetizing force producing…
  19. The magnetic potential in a magnetic circuit can be measured in terms of
  20. Who demonstrated the theory of electromagnetic induction in 1831?
  21. The force acting on a unit n- pole placed at that point is called
  22. The lagging effect between flux density of the material and the magne
  23. A law relating between the magnetic and electric susceptibilities and the absolute temperatures which…
  24. Which of the following is used by temporary magnets as the magnetic material?
  25. Three charges of +5 Ca -6 C and +9 C are placed inside a sphere. What is the total flux passing through…
  26. What principle states that each electron in an atom must have a different set of quantum numbers?
  27. The conduction of electricity across the surface of a dielectric is called
  28. The unit of flux is _____ in cgs system.
  29. The current of electric circuit is analogous to which quantity of a m
  30. Which element has four valence electrons?