Referred to as the specific reluctance of a material

A. Resistivity

B. Reluctivity

C. Conductivity

D. Permeability

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  1. The electric potential at a point in air due to a charge is 21 V. If the air is replaced by a medium…
  2. States that the ratio of the thermal conductivity is proportional to the absolute temperature for all…
  3. The temperature coefficient of resistance of semiconductors is
  4. A one cubic cm of copper has how many free electrons at room temperature?
  5. If two similar charges 1 coulomb each are placed 1 m apart in aira then the force of repulsion is
  6. The quantity of magnetism retained by a magnetic material after withdrawal of the magnetizing force…
  7. If a magnetic flux cuts across 200 turns at a rate of 2Wb/sa the induced voltage according to Faraday's…
  8. Hipernik is an alloy containing __________ iron and __________ nickel.
  9. The electric flux density is a ________ quantity.
  10. Which of the following is a paramagnetic material?
  11. Small voltages generated by a conductor with current in an external magnetic field.
  12. The space outside the magnet where its pole have a force of attraction or repulsion on a magnetic pole…
  13. One coulomb of charge consists of ________ electrons.
  14. Permeance is analogous to
  15. Hysteresis loss can be reduced by one of the following.
  16. The lagging effect between flux density of the material and the magne
  17. Paramagnetic substance has a relative permeability of
  18. The resistivity of a conductor ___________ with an increase in temperature.
  19. If you hold the conductor with right hand so that the stretched thumb points in the direction of the…
  20. If the number of valence electrons of an atom is less than 4a then the substance is probably
  21. A test charge means a charge of
  22. The quantity 10^6 maxwells is equivalent to one
  23. Temporary magnets are commonly employed in
  24. __________ is a substance of whose molecules consist of the same kind of atom.
  25. A 200-watt lamp working for 24 hours will consume approximately _____ units.
  26. The conduction of electricity across the surface of a dielectric is called
  27. The hot resistance of an incandescent lamp is about _______ its cold resistance.
  28. A t/m is a unit of
  29. The permittivity of a material is given by one of the following formulas.
  30. The force between two charges placed a given distance apart ______ as the relative permittivity of the…