The force acting on a unit n- pole placed at that point is called

A. Magnetic field intensity

B. Electric field intensity

C. Electromagnetic field intensity

D. Intensity magnetization

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  1. One of the solid structures in which the position of the atoms or ions are predetermined
  2. The force of attraction or repulsion between two magnetic poles is directly proportional to their strengths.
  3. Defined as a closed path in which magnetic induction or flux flows
  4. Hipernik is an alloy containing __________ iron and __________ nickel.
  5. An alloy of 22 percent iron and 78 per cent nickel.
  6. What is the diameter of an atom?
  7. What determines the value of the temperature coefficient of resistance of a material?
  8. The magnetic field of a magnetized iron bar when strongly heated
  9. Which of the following magnetic materials can be easily magnetized in both direction?
  10. Hydrogen is an example of a _____ material.
  11. A negative ion results when an atom gains an additional
  12. The emission of electrons from hot bodies is called
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    If the resistance of a material 2 m long and 2 m^2 in area of cross-section is 1.6 10^-8 ?a then its resistivity is
  14. What revolves about the positive nucleus in a definite orbit?
  15. Flux linkages equals
  16. Who discovered that a current-carrying conductor would move when placed in a magnetic field?
  17. At/m is a unit of
  18. Flux density is measured in
  19. The relative permeability of a magnetic material is 10^5. What is its permeability?
  20. All magnetic field originates from
  21. The force between two charges placed a given distance apart ______ as the relative permittivity of the…
  22. The magnetic field of a bar magnet most closely resembles the magnetic field of
  23. The phenomenon by which a magnetic substance becomes a magnet when it is place near a magnet
  24. There are how many compounds available in nature?
  25. Temporary magnets are commonly employed in
  26. A positively charged body has
  27. Hysteresis is a phenomenon of _________ in a magnetic circuit.
  28. What is the main advantage of temporary magnets?
  29. Core materials of a good relay have _________ hysteresis loop.
  30. If the number of valence electrons of an atom is less than 4a the substance is called