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The branch of Engineering which deals with the magnetic effect of electric current is known as

A. Magnetism

B. Electromagnetism

C. Electrical engineering

D. Electronics engineering

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  1. If on looking at any one end of a solenoid; the direction of current flow is found to be clockwise then…
  2. A substance that attracts pieces iron
  3. The magnetic energy stored in an inductor is ______ current.
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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
  5. One ampere- turn is equivalent to _____ gilberts
  6. What is the SI unit of conductivity?
  7. The magnetic flux through a coil changes. This results to the induced emf acting in a direction as to
  8. A test charge means a charge of
  9. The current of electric circuit is analogous to which quantity of a m
  10. Materials whose permeabilities are slightly greater than that of free space
  11. What is the measure of the density and sign of the electric charge at a point relative to that at some…
  12. How many neutrons does a copper atom have?
  13. It is the reciprocal of reluctance and implies the case of readiness with which magnetic flux is developed.
  14. The phenomenon that when an electric current passes through an anisotropic crystala there is an absorption…
  15. What is the practical unit of electrical energy?
  16. Residual magnetism refers to the flux densitya which exists in the iron core when the magnetic field…
  17. Which of the following is a natural magnet?
  18. Formed when there exist distant electronic interactions between (opposite) charges present in the neighboring…
  19. Referred to as the specific reluctance of a material
  20. The ratio between the intensity of magnetization produced in a substance to the magnetizing force producing…
  21. The temperature coefficient of resistance of conductors is
  22. The contribution to the ionization in an ionization chamber by electrons liberated from t he walls.
  23. If two similar charges 1 coulomb each are placed 1 m apart in aira then the force of repulsion is
  24. What is the reluctance of a magnetic path having a length of 2x 10^-3m and crosssectional area of 2.5…
  25. If the relative permittivity of a material is 10a then its permittivity is
  26. A magnetic material losses its ferromagnetic properties at a point called
  27. Which element has four valence electrons?
  28. What type of bond is formed when there exists some form of collective interactions between the (negatively…
  29. One coulomb of charge consists of ________ electrons.
  30. What is the relative permittivity of air?