A negative ion results when an atom gains an additional

A. Electron

B. Proton

C. Neutron

D. Atom

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  1. A negative ion results when an atom gains an additional
  2. When the relative permeability of a material is slightly less than 1a it is called _____ material.
  3. The temperature coefficient of resistance of a conductor ______ with an increase in temperature.
  4. An effect which is generally used in the gausameter to measure flux density.
  5. The magnetic flux of 2000 lines is how many Maxwells?
  6. Which of the following statements is TRUE?
  7. Magnetic effects of the earth as a huge magnet with north and south poles.
  8. What is the SI unit of magnetic flux?
  9. A permanent magnet does not exert a force on
  10. What is the typical saturation flux density for most magnetic materials?
  11. What determines the atomic number of an element?
  12. What is used as the dielectric material in high voltage transformers?
  13. The flux density in an air-cored coil is 10^-3 Wb/m^2. With a cast iron core of relative permeability…
  14. Lenz' law states that the direction of the induced emf and hence current
  15. The reluctance of a magnetic circuit varies with
  16. Defined as the ratio of the volume occupied by the atoms or ions in a unit cell divided by the volume…
  17. Permeance is analogous to
  18. What is the SI unit of conductance?
  19. Flux linkages equals
  20. The quantity 10^6 maxwells is equivalent to one
  21. Magnetic fields do not interact with
  22. Whenever a conductor cuts magnetic fluxa an emf is induced in it. This is known as
  23. The force between two magnetic poles is _____ their poles strength.
  24. Which of the following materials has the highest dielectric strength?
  25. A test charge means a charge of
  26. A magnetizing force of 1000 AT/m will produce a flux density of __________ i
  27. The energy stored in an electrostatic field or electromagnetic field is called
  28. The ratio of the total flux (flux in iron path) to the useful flux (flux in air gap)
  29. The temperature coefficient of resistance of eureka is
  30. The direction of force o a current carrying conductor placed in a m found by