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The space outside the magnet where its pole have a force of attraction or repulsion on a magnetic pole is called

A. Magnetic field

B. Electric field

C. Electromagnetic field

D. Free Space Field

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  1. The energy stored in an electrostatic field or electromagnetic field is called
  2. A magnetic material losses its ferromagnetic properties at a point called
  3. The phenomenon by which a magnetic substance becomes a magnet when it is place near a magnet
  4. What is used as the dielectric material in high voltage transformers?
  5. Back emf refers to the
  6. Flux linkages equals
  7. The resistivity of a conductor ___________ with an increase in temperature.
  8. Formed when there exist distant electronic interactions between (opposite) charges present in the neighboring…
  9. The force between two magnetic poles is _____ their poles strength.
  10. Who discovered that a current-carrying conductor would move when placed in a magnetic field?
  11. Electric lines of force leave or enter the charge surface at an angle of
  12. Three charges of +5 Ca -6 C and +9 C are placed inside a sphere. What is the total flux passing through…
  13. Who discovered the most important electrical effects which is the magnetic effect?
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    A magnetic pole produces 5000 field lines. How much is the flux in webers? A. 50 10^-6
  15. Refers to the non- metallic materials that have the ferromagnetic properties of iron.
  16. If the magnetic material is located within a coil through which alternating current (60 Hz frequency)…
  17. The induced emf in a wire loop that is moved parallel to a uniform magnetic field is
  18. All matters (gasa liquid and solid) are composed of
  19. A law establishing the fact that the algebraic su of the rises and drops of the mmf around a closed…
  20. Used to maintain strength of magnetic field
  21. The lagging effect between flux density of the material and the magne
  22. When the relative permeability of a material is slightly more than 1a it is called ______ material.
  23. The point in a magnet where the intensity of magnetic lines of force is maximum
  24. The permeability of a material having a flux density of 5 Wb/m^2 is 10^-5 H/m. What is the value of…
  25. The flux density in an air-cored coil is 10^-3 Wb/m^2. With a cast iron core of relative permeability…
  26. The hot resistance of an incandescent lamp is about _______ its cold resistance.
  27. The quantity of magnetism retained by a magnetic material after withdrawal of the magnetizing force…
  28. A length of wire has a resistance of 10 ohms. What is the resistance of a wire of the same material…
  29. Under ordinary conditionsa a body is considered
  30. Bonding of atoms that is due to the force of attraction between positive ions and a group of negative…