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Hydrogen is an example of a _____ material.

A. Paramagnetic

B. Diamagnetic

C. Ferromagnetic

D. N on- magnetic

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  1. The B-H curve of ________ is not a straight line.
  2. Mmf in a magnetic circuit corresponds to _____ in an electric circuit
  3. Electric field intensity is a ________.
  4. The point in a magnet where the intensity of magnetic lines of force is maximum
  5. One coulomb of charge consists of ________ electrons.
  6. The magnetic energy stored in an inductor is ______ current.
  7. A t/m is a unit of
  8. A current if flowing east along a power line. If the earth's field is neglecteda the direction of the…
  9. The electrons in the last orbit of an atom are called _______ electrons.
  10. What is the unit of magnetomotive force?
  11. Hysteresis refers to the ______ between flux density of the material and the magnetizing force applied.
  12. Defined as the ratio of the volume occupied by the atoms or ions in a unit cell divided by the volume…
  13. Who developed the electromagnetic theory of light in 1862?
  14. The air space between poles of magnets
  15. The force acting on a pole of 5 Wb is 25 N. What is the intensity of the magnetic field?
  16. Who demonstrated the theory of electromagnetic induction in 1831?
  17. The induced emf in a wire loop that is moved parallel to a uniform magnetic field is
  18. The property of a material which opposes the creation of magnetic flux in it
  19. Permeability means
  20. Who discovereda the relationship between magnetism and electricity that serves as the foundation for…
  21. Who discovered superconductivity in 1911?
  22. An alloy of 40 percent iron and 60 percent nickel.
  23. What is the SI unit of reluctance?
  24. When a current carrying conductor is placed in a magnetic fielda the maximum force will act on the conductor…
  25. One electron volt (1 eV) is equivalent to _____ joules
  26. If the length and area of cross-section of a wire are doubleda then its resistance
  27. How many turns are needed to produce a magnetomotive force of 1000 A.t for a coil with 6 amperes?
  28. One oersted (Oe) is equivalent to _____ Gb/cm.
  29. When the current flowsa the magnetic field . conductor is in what direction?
  30. A 6- V battery is connected across a solenoid of 100 turns having a resistance of 2 ?a Calculate the…