Residual magnetism refers to the flux densitya which exists in the iron core when the magnetic field intensity is

A. Minimized

B. Reduced to zero

C. Maximize

D. Unity

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  1. If the value of 25 a conductor is 1/255 per oCa then the value of 20is
  2. Defined as the flux density produced in it due to its own induced magnetism
  3. A magnetic field is
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  5. A factor used to correct for the electrostatic forces of the more distant ions in an ionic solid.
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  7. At/m is a unit of
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  14. A 6- V battery is connected across a solenoid of 100 turns having a resistance of 2 ?a Calculate the…
  15. The process by which an emf and hence current is generated or induced in a conductor when there is a…
  16. Hysteresis refers to the ______ between flux density of the material and the magnetizing force applied.
  17. The force of attraction or repulsion between two magnetic poles is inversely proportional to the square…
  18. A group of magnetically aligned atoms is called
  19. The magnetic field around the conductor is determined by the
  20. A magnetic flux of 2.5 x10^4 Wb through an area of 5 x10^4 square meters results in
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  22. The reluctance of the magnetic circuit is ________ relative permeability of the material comprising…
  23. Electrons at the outer shell are called
  24. What is the cgs unit of magnetomotive force?
  25. The magnetic flux through a coil changes. This results to the induced emf acting in a direction as to
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  27. __________ is a substance of whose molecules consist of the same kind of atom.
  28. All matters (gasa liquid and solid) are composed of
  29. If the number of valence electrons of an atom is less than 4a the substance is called
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