The straight line passing through the two poles of magnet is called

A. Real axis

B. Cartesian axis

C. Magnetic axis

D. Imaginary axis

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  1. What revolves about the positive nucleus in a definite orbit?
  2. If you hold the conductor with right hand so that the stretched thumb points in the direction of the…
  3. One oersted (Oe) is equivalent to _____ Gb/cm.
  4. Hysteresis refers to the ______ between flux density of the material and the magnetizing force applied.
  5. A law that states that the current in a thermionic diode varies directly with the three- halves power…
  6. It is the reciprocal of reluctance and implies the case of readiness with which magnetic flux is developed.
  7. Which of the following is a natural magnet?
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  13. The magnetic field of a magnetized iron bar when strongly heated
  14. A theorem which states that an electric current flowing in a circuit produces a magnetic field at external…
  15. Which of the following is used by permanent magnets as the magnetic material?
  16. As the magnetic intensity decreasesa the relative permeability of a magnetic material
  17. What is the typical saturation flux density for most magnetic materials?
  18. The core of a magnetic equipment uses a magnetic material with
  19. The electric flux density is a ________ quantity.
  20. If on looking at any one end of a solenoid; the direction of current flow is found to be clockwise then…
  21. The total number of magnetic lines of force in a magnetic field is called
  22. The permeability of a material having a flux density of 5 Wb/m^2 is 10^-5 H/m. What is the value of…
  23. When the ferromagnetic substance is inserted in a current- carrying solenoida the magnetic field is
  24. The quantity of magnetism retained by a magnetic material after withdrawal of the magnetizing force…
  25. Hysteresis is a phenomenon of _________ in a magnetic circuit.
  26. Defined as the flux density produced in it due to its own induced magnetism
  27. One weber of flux is equal to _______ magnetic lines of force.
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  29. Back emf refers to the
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