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 force between two charges placed a given distance apart ______ as the relative permittivity of the…
  2. What determines the value of the temperature coefficient of resistance of a material?
  3. Which of the following materials has the least hysteresis loop area?
  4. One oersted (Oe) is equivalent to _____ Gb/cm.
  5. If you hold the conductor with right hand so that the stretched thumb points in the direction of the…
  6. The reluctance of a magnetic circuit is not dependent on which of the following?
  7. An alloy of 40 percent iron and 60 percent nickel.
  8. The magnetic materials should have a large hysteresis loss for one of the following applications.
  9. Cobalt is an example of a ______ material.
  10. Small voltages generated by a conductor with current in an external magnetic field.
  11. Who developed the electromagnetic theory of light in 1862?
  12. The unit of electrical energy is
  13. A law that states that the current in a thermionic diode varies directly with the three- halves power…
  14. Which of the following electric quantities is vector in character?
  15. The physical motion resulting from the forces of magnetic fields is called
  16. Calculate the flux density that will be produced by the field intensity of 2000 a. t/m for a permeability…
  17. How many neutrons does a copper atom have?
  18. Which of the following has the least number of valence electrons?
  19. The force between two magnetic poles is _______ their pole strengths.
  20. Whenever a conductor cuts magnetic fluxa an emf is induced in it. This is known as
  21. If on looking at any one end of a solenoid; the direction of current flow is found to be clockwise then…
  22. One of the common application of an air- cored choke.
  23. What type of bond is formed when there exists some form of collective interactions between the (negatively…
  24. If the solenoid is gripped by the right hand with the fingers pointing the direction of current flowa…
  25. What is the relative permittivity of air?
  26. The magnetic flux through a wire loop in a magnetic field does not d
  27. What is the other name for dielectric strength?
  28. The force between two magnetic poles varies with the distance between them. The variation is ______…
  29. If the number of valence electrons of an atom is exactly 4a then the substance is called
  30. Flux density is measured in