A t/m is a unit of

A. Mmf

B. Emf

C. Reluctance

D. Magnetizing force

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  1. Defined as the ratio of the volume occupied by the atoms or ions in a unit cell divided by the volume…
  2. Residual magnetism refers to the flux densitya which exists in the iron core when the magnetic field…
  3. Small voltages generated by a conductor with current in an external magnetic field.
  4. One of the common application of an air- cored choke.
  5. The uncharged particles which have no effect on its atomic charge.
  6. How much is the flux in Weber in the above problem?
  7. A magnetizing force of 1000 AT/m will produce a flux density of __________ i
  8. The unit of flux is _____ in cgs system.
  9. Core materials of a good relay have _________ hysteresis loop.
  10. If you hold the conductor with right hand so that the stretched thumb points in the direction of the…
  11. Define as that pole which when placed in air from a similar and equal pole repels it with a force of…
  12. If on looking at any one end of a solenoid; the direction of current flow is found to be clockwise then…
  13. The space outside the magnet where its pole have a force of attraction or repulsion on a magnetic pole…
  14. Hysteresis refers to the ______ between flux density of the material and the magnetizing force applied.
  15. The emf produced in a wire by its motion across a magnetic field does not depend upon the
  16. The phenomenon by which a subtracts pieces of iron
  17. The temperature coefficient of resistance of conductors is
  18. If the number of valence electrons of an atom is exactly 4a then the substance is called
  19. The resistivity of a conductor ___________ with an increase in temperature.
  20. A good conductor has how many valence electrons?
  21. The electric potential across part AB of a circuit is 5 V; point A being at higher potential. If a charge…
  22. Calculate the flux density that will be produced by the field intensity of 2000 a. t/m for a permeability…
  23. The contribution to the ionization in an ionization chamber by electrons liberated from t he walls.
  24. A test charge means a charge of
  25. The quantity of magnetism retained by a magnetic material after withdrawal of the magnetizing force…
  26. The emf induced in a coil due to the changing current of another neighboring coil is called
  27. An electron- volt (eV) is a unit of
  28. Permanent magnets can be found in
  29. The flux density in an air-cored coil is 10^-3 Wb/m^2. With a cast iron core of relative permeability…
  30. A t/m is a unit of