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The magnetic energy stored in an inductor is ______ current.

A. Directly proportional to

B. Inversely proportional to

C. Directly proportional to the square of

D. Inversely proportional to the square of

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  1. If the relative permittivity of a material is 10a then its permittivity is
  2. The amount of magnetizing force to counter balance the resid magnetic material is referred to as
  3. The net electrical charge in an isolated system remains constant. This is known as
  4. Permeance of a magnetic circuit is _________ the cross-sectional area of the circuit.
  5. The force of attraction or repulsion between two magnetic poles is directly proportional to their strengths.
  6. Cobalt is an example of a ______ material.
  7. The straight line passing through the two poles of magnet is called
  8. What is the value of the absolute permittivity of air?
  9. One that has magnetic poles produced by internal atomic structure with no external current necessary
  10. Define as that pole which when placed in air from a similar and equal pole repels it with a force of…
  11. Permeance is analogous to
  12. If the distance between two magnetic poles decreases by 2 timesa the force between them
  13. What determines the value of the temperature coefficient of resistance of a material?
  14. Magnetic effects of the earth as a huge magnet with north and south poles.
  15. The air space between poles of magnets
  16. The ability of a mechanically stressed ferromagnetic wire to recognize rapid switching of magnetization…
  17. Electric field intensity is measured in
  18. The force between two magnetic poles is _____ their poles strength.
  19. How many turns are needed to produce a magnetomotive force of 1000 A.t for a coil with 6 amperes?
  20. The temperature coefficient of resistance of a conductor ______ with an increase in temperature.
  21. Refers to the non- metallic materials that have the ferromagnetic properties of iron.
  22. What bond is formed when one or more electrons in the outermost energy orbit of an atom are transferred…
  23. The science of adapting electronics to aerospace flight.
  24. A current if flowing east along a power line. If the earth's field is neglecteda the direction of the…
  25. A group of magnetically aligned atoms is called
  26. A length of wire has a resistance of 10 ohms. What is the resistance of a wire of the same material…
  27. Electronic current in a wire is the flow of ____________ electrons.
  28. The magnetic field around the conductor is determined by the
  29. Electric field intensity at a point due to a given charge ______ if the relative permittivity of the…
  30. The physical motion resulting from the forces of magnetic fields is called