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The total number of magnetic lines of force in a magnetic field is called

A. Magnetic flux

B. Magnetic flux density

C. Magnetic flux intensity

D. Magnetic potential

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  1. Residual magnetism refers to the flux densitya which exists in the iron core when the magnetic field…
  2. A good conductor has how many valence electrons?
  3. Amorphous solid is also called
  4. The magnetic flux through a coil changes. This results to the induced emf acting in a direction as to
  5. States that the ratio of the thermal conductivity is proportional to the absolute temperature for all…
  6. The simplest type of atom to exist is the ______ atom.
  7. What is the usual value of leakage coefficient for electrical machines?
  8. Who discovered superconductivity in 1911?
  9. Materials whose permeabilities are slightly greater than that of free space
  10. If the magnetic material is located within a coil through which alternating current (60 Hz frequency)…
  11. The force which set ups or tends to set up magnetic flux in a magnetic circuit
  12. A 6- V battery is connected across a solenoid of 100 turns having a resistance of 2 ?a Calculate the…
  13. The resistivity of a conductor ___________ with an increase in temperature.
  14. Defined as the flux density produced in it due to its own induced magnetism
  15. The customary energy unit in atomic and nuclear physics is
  16. The electric field intensity between the parallel plate air capacitor is 20 N/C. If an insulating slab…
  17. At/m is a unit of
  18. The magnetic field of a bar magnet most closely resembles the magnetic field of
  19. The magnetic potential in a magnetic circuit can be measured in terms of
  20. The magnetic field of a magnetized iron bar when strongly heated
  21. The emission of electrons from hot bodies is called
  22. One ampere- turn is equivalent to _____ gilberts
  23. Which of the following materials has the least hysteresis loop area?
  24. The phenomenon that when an electric current passes through an anisotropic crystala there is an absorption…
  25. The diameter of a hydrogen atom is approximately ______ cm.
  26. The reluctance of a magnetic circuit is not dependent on which of the following?
  27. The ratio between the intensity of magnetization produced in a substance to the magnetizing force producing…
  28. The core of a magnetic equipment uses a magnetic material with
  29. Core materials of a good relay have _________ hysteresis loop.
  30. Temporary magnets are commonly employed in