A group of magnetically aligned atoms is called

A. Range

B. Lattice

C. Domain

D. Crystal

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  1. The force of attraction or repulsion between two magnetic poles is inversely proportional to the square…
  2. Electrons at the outer shell are called
  3. The uncharged particles which have no effect on its atomic charge.
  4. One farad equals
  5. Which of the following materials has the least hysteresis loop area?
  6. The relation between absolute permittivity of air ( 0)a absolute p and velocity of light (c) is given…
  7. Flux linkages equals
  8. A negatively charge body has
  9. The phenomenon by which a subtracts pieces of iron
  10. When a current carrying conductor is placed in a magnetic fielda the maximum force will act on the conductor…
  11. The ratio of the permeability of material to the permiabiity of air or vacuum.
  12. Hysteresis refers to the ______ between flux density of the material and the magnetizing force applied.
  13. Gases whose particles are charged are known as
  14. The emf induced in a coil due to the changing current of another neighboring coil is called
  15. Defined as a closed path in which magnetic induction or flux flows
  16. Used to maintain strength of magnetic field
  17. The magnetic flux through a coil changes. This results to the induced emf acting in a direction as to
  18. Who discovered superconductivity in 1911?
  19. What is used as the insulating material or dielectric in an electric ion
  20. Materials whose permeabilities are slightly greater than that of free space
  21. The idea of preventing one component from affecting another through their common electric and magnetic…
  22. The force acting on a unit n- pole placed at that point is called
  23. What determines the value of the temperature coefficient of resistance of a material?
  24. If the right handed bottle-opener cork screw is assumed to be along the conductor so as to advance in…
  25. Which of the following is a diamagnetic material?
  26. One oersted (Oe) is equivalent to _____ Gb/cm.
  27. The force between two magnetic poles is _____ their poles strength.
  28. If two similar charges 1 coulomb each are placed 1 m apart in aira then the force of repulsion is
  29. The reluctance of a magnetic circuit varies with
  30. The temperature coefficient of resistance of conductors is