A 6- V battery is connected across a solenoid of 100 turns having a resistance of 2 ?a Calculate the number of ampere turns?



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  1. The net electrical charge in an isolated system remains constant. This is known as
  2. Cobalt is an example of a ______ material.
  3. Which of the following is a diamagnetic material?
  4. Materials whose permeabilities are slightly greater than that of free space
  5. One oersted (Oe) is equivalent to _____ Gb/cm.
  6. The unit of flux density is
  7. Who discovered the most important electrical effects which is the magnetic effect?
  8. The uncharged particles which have no effect on its atomic charge.
  9. Hipernik is an alloy containing __________ iron and __________ nickel.
  10. A magnetic circuit carries a flux iin the iron part and a fluxgin the air gap. What is the leakage coefficient?
  11. Who discovereda the relationship between magnetism and electricity that serves as the foundation for…
  12. Lenz' law states that the direction of the induced emf and hence current
  13. A magnetic field is
  14. Electric field intensity is a ________.
  15. All magnetic field originates from
  16. Electric field intensity is measured in
  17. Which of the following is a natural magnet?
  18. How much is the flux in Weber in the above problem?
  19. If the length and area of cross-section of a wire are doubleda then its resistance
  20. There are how many compounds available in nature?
  21. The relative permeability of a magnetic material is 10^5. What is its permeability?
  22. The emf induced in a coil due to the change of its own flux linked with it is called
  23. The branch of Engineering which deals with the magnetic effect of electric current is known as
  24. The reluctance of the magnetic circuit is ________ relative permeability of the material comprising…
  25. Electric field intensity at a point due to a given charge ______ if the relative permittivity of the…
  26. What revolves about the positive nucleus in a definite orbit?
  27. Residual magnetism refers to the flux densitya which exists in the iron core when the magnetic field…
  28. The flux density in an air-cored coil is 10^-3 Wb/m^2. With a cast iron core of relative permeability…
  29. The temperature coefficient of resistance of insulators is
  30. When a wire loop is rotated in a magnetic field the direction of the induced emf changes one in every…