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The amount of magnetizing force to counter balance the resid magnetic material is referred to as

A. Reluctivity

B. Susceptivity

C. Coercivity

D. Retentivity

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  1. The induced emf in a wire loop that is moved parallel to a uniform magnetic field is
  2. It is the reciprocal of reluctance and implies the case of readiness with which magnetic flux is developed.
  3. One ampere- turn is equivalent to _____ gilberts
  4. Which of the following has the least number of valence electrons?
  5. Magnetic fields do not interact with
  6. The force which set ups or tends to set up magnetic flux in a magnetic circuit
  7. The force between two magnetic poles is _______ their pole strengths.
  8. The diameter of a hydrogen atom is approximately ______ cm.
  9. Electric field intensity at a point due to a given charge ______ if the relative permittivity of the…
  10. A substance that attracts pieces iron
  11. Which of the following is a natural magnet?
  12. Which of the following statements is TRUE?
  13. What bond is formed when electrons in the outermost energy orbits of the atoms are shared between two…
  14. One of the solid structures in which the position of the atoms or ions are predetermined
  15. One of the common application of an air- cored choke.
  16. A positively charged body has
  17. The potential at a point due to a charge is 15 V. If the distance is times, the potential at the point…
  18. Lenz' law states that the direction of the induced emf and hence current
  19. The relation between absolute permittivity of air ( 0)a absolute p and velocity of light (c) is given…
  20. Defined as a closed path in which magnetic induction or flux flows
  21. The direction of force o a current carrying conductor placed in a m found by
  22. A length of wire has a resistance of 10 ohms. What is the resistance of a wire of the same material…
  23. The customary energy unit in atomic and nuclear physics is
  24. What is the SI unit of conductance?
  25. Core materials of a good relay have _________ hysteresis loop.
  26. Electric lines of force leave or enter the charge surface at an angle of
  27. A negatively charge body has
  28. Residual magnetism refers to the flux densitya which exists in the iron core when the magnetic field…
  29. The force between two magnetic poles is _____ the relative permeability of the medium.
  30. If the solenoid is gripped by the right hand with the fingers pointing the direction of current flowa…