Defined as a closed path in which magnetic induction or flux flows

A. Electric circuit

B. Magnetic circuit

C. Electronic circuit

D. Electromagnetic circuit

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  1. What is the SI unit of magnetic flux?
  2. The ability of a material to conduct magnetic flux through it.
  3. When a wire loop is rotated in a magnetic field the direction of the induced emf changes one in every…
  4. Which of the following is a paramagnetic material?
  5. An electron- volt (eV) is a unit of
  6. Theory of ferromagnetic phenomena which assumes each atom is a permanent magnet which can turn freely…
  7. Mmf in a magnetic circuit corresponds to _____ in an electric circuit
  8. Which of the following materials has the least hysteresis loop area?
  9. The magnetic potential in a magnetic circuit can be measured in terms of
  10. Permeability means
  11. The phenomenon that when an electric current passes through an anisotropic crystala there is an absorption…
  12. The space outside the magnet where its pole have a force of attraction or repulsion on a magnetic pole…
  13. Who demonstrated that there are magnetic effects around every current-carrying conductor and that current-carrying…
  14. The physical motion resulting from the forces of magnetic fields is called
  15. What principle states that each electron in an atom must have a different set of quantum numbers?
  16. A magnetizing force of 1000 AT/m will produce a flux density of __________ i
  17. A one cubic cm of copper has how many free electrons at room temperature?
  18. A current if flowing east along a power line. If the earth's field is neglecteda the direction of the…
  19. Flux density is measured in
  20. Which of the following materials has the highest dielectric strength?
  21. Magnetic intensity is a
  22. This paper does not exhibit electricity because it contains the same number of
  23. Formed when there exist distant electronic interactions between (opposite) charges present in the neighboring…
  24. If the value of 0 a conductor is 1/234 per oCa then the value of 18is
  25. If the value of 25 a conductor is 1/255 per oCa then the value of 20is
  26. The magnetic energy stored in an inductor is ______ current.
  27. The phenomenon by which a subtracts pieces of iron
  28. The ratio of the permeability of material to the permiabiity of air or vacuum.
  29. What is the main advantage of temporary magnets?
  30. Which of the following is used by permanent magnets as the magnetic material?