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The force which set ups or tends to set up magnetic flux in a magnetic circuit

A. Dynamic force

B. Electromotive force

C. Potential difference

D. Magnetomotive force

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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. The resistivity of a conductor ___________ with an increase in temperature.
  3. A principle that states that only two electrons with different spins are allowed to exist in a given…
  4. At/m is a unit of
  5. Electric field intensity is a ________.
  6. The physical motion resulting from the forces of magnetic fields is called
  7. How much is the flux in Weber in the above problem?
  8. The ratio between the intensity of magnetization produced in a substance to the magnetizing force producing…
  9. A germanium atom has an atomic weight of72. How many neutrons are there?
  10. The magnetic flux through a coil changes. This results to the induced emf acting in a direction as to
  11. Which of the following is used by permanent magnets as the magnetic material?
  12. Ohm's law can be used only to a _____ circuit or component.
  13. Which of the following is a paramagnetic material?
  14. What is used as the dielectric material in high voltage transformers?
  15. If two similar charges 1 coulomb each are placed 1 m apart in aira then the force of repulsion is
  16. One oersted (Oe) is equivalent to _____ Gb/cm.
  17. Flux linkages equals
  18. The magnetic flux through a wire loop in a magnetic field does not d
  19. The air space between poles of magnets
  20. What determines the value of the temperature coefficient of resistance of a material?
  21. Electric field intensity is measured in
  22. Temporary magnets are commonly employed in
  23. Which of the following electric quantities is vector in character?
  24. In electro-mechanical conversion devices like generators and motors the reason why a small air gap is…
  25. The process by which an emf and hence current is generated or induced in a conductor when there is a…
  26. The force between two magnetic poles varies with the distance between them. The variation is ______…
  27. The force between two magnetic poles is _____ their poles strength.
  28. What is another name for relative permittivity?
  29. The amount of magnetizing force to counter balance the resid magnetic material is referred to as
  30. A magnetizing force of 1000 AT/m will produce a flux density of __________ i