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The energy stored in an electrostatic field or electromagnetic field is called

A. Electromagnetic energy

B. Kinetic energy

C. Potential energy

D. R est energy

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  1. The unit of flux is _____ in cgs system.
  2. The ability of a material to conduct magnetic flux through it.
  3. The contribution to the ionization in an ionization chamber by electrons liberated from t he walls.
  4. The mass of proton is __________ the mass of an electron.
  5. Used to maintain strength of magnetic field
  6. The magnetic flux through a wire loop in a magnetic field does not d
  7. A current if flowing east along a power line. If the earth's field is neglecteda the direction of the…
  8. Three charges of +5 Ca -6 C and +9 C are placed inside a sphere. What is the total flux passing through…
  9. Hydrogen is an example of a _____ material.
  10. A magnetic circuit carries a flux iin the iron part and a fluxgin the air gap. What is the leakage coefficient?
  11. The temperature coefficient of resistance of conductors is
  12. Which of the following is a vector quantity?
  13. Who developed the electromagnetic theory of light in 1862?
  14. Who discovered superconductivity in 1911?
  15. The quantity of magnetism retained by a magnetic material after withdrawal of the magnetizing force…
  16. What is the main advantage of temporary magnets?
  17. What is the usual value of leakage coefficient for electrical machines?
  18. A magnetic material losses its ferromagnetic properties at a point called
  19. One coulomb of charge consists of ________ electrons.
  20. What is the SI unit of specific resistance or resistivity?
  21. Theory of ferromagnetic phenomena which assumes each atom is a permanent magnet which can turn freely…
  22. A good conductor has how many valence electrons?
  23. What is the typical saturation flux density for most magnetic materials?
  24. The tiniest element of matter
  25. A test charge means a charge of
  26. How many turns are needed to produce a magnetomotive force of 1000 A.t for a coil with 6 amperes?
  27. If a 20 V potential is applied across a relay coil with 50 turns having 1 ? of resistancea the total…
  28. A t/m is a unit of
  29. Referred to as the specific reluctance of a material
  30. When a conductor is stationary and the magnetic field is moving or changing the emf induced is called