One of the common application of an air- cored choke.

A. Radio frequency

B. Audio frequency

C. Power supply

D. Power transformer

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  1. Define as that pole which when placed in air from a similar and equal pole repels it with a force of…
  2. Which of the following has the least number of valence electrons?
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    When the current flowsa the magnetic field . conductor is in what direction?
  4. One that has magnetic poles produced by internal atomic structure with no external current necessary
  5. Electrons at the outer shell are called
  6. What is the relative permittivity of air?
  7. The emf induced in a coil due to the change of its own flux linked with it is called
  8. What type of bond is formed when there exists some form of collective interactions between the (negatively…
  9. Formed when there exist distant electronic interactions between (opposite) charges present in the neighboring…
  10. The temperature coefficient of resistance of eureka is
  11. How many neutrons does a copper atom have?
  12. A law relating between the magnetic and electric susceptibilities and the absolute temperatures which…
  13. Ohm's law can be used only to a _____ circuit or component.
  14. The physical motion resulting from the forces of magnetic fields is called
  15. What bond is formed when electrons in the outermost energy orbits of the atoms are shared between two…
  16. What is the measure of the density and sign of the electric charge at a point relative to that at some…
  17. What is the SI unit of magnetic flux?
  18. How much is the flux in Weber in the above problem?
  19. The space outside the magnet where its pole have a force of attraction or repulsion on a magnetic pole…
  20. The magnetic field inside a solenoid
  21. A theorem which states that an electric current flowing in a circuit produces a magnetic field at external…
  22. The net electrical charge in an isolated system remains constant. This is known as
  23. The current of electric circuit is analogous to which quantity of a m
  24. The evaporation of electrons from a heated surface is called
  25. Two similar polesa each 1Wba placed 1 m apart in air will experience a repulsive force of
  26. A law that states that the current in a thermionic diode varies directly with the three- halves power…
  27. The force of attraction or repulsion between two magnetic poles is directly proportional to their strengths.
  28. Electric field intensity is a ________.
  29. Permanent magnets can be found in
  30. What is the other name for dielectric strength?