What is the diameter of an atom?

A. About 10^-10 m

B. About 10^-10 cm

C. About 10^-10 mm

D. About 10^-10 m

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  1. Materials whose permeabilities are slightly greater than that of free space
  2. The amount of magnetizing force to counter balance the resid magnetic material is referred to as
  3. If the right handed bottle-opener cork screw is assumed to be along the conductor so as to advance in…
  4. Lenz' law states that the direction of the induced emf and hence current
  5. The dielectric constant of most materials lies between
  6. What is used as the insulating material or dielectric in an electric ion
  7. There are how many compounds available in nature?
  8. Electrons at the outer shell are called
  9. A law that states that the current in a thermionic diode varies directly with the three- halves power…
  10. An electron- volt (eV) is a unit of
  11. If the solenoid is gripped by the right hand with the fingers pointing the direction of current flowa…
  12. The force between two magnetic poles varies with the distance between them. The variation is ______…
  13. What solid has no defined crystal structure except perhaps in the arrangement of the nearest neighboring…
  14. When the relative permeability of a material is slightly more than 1a it is called ______ material.
  15. If a magnetic flux cuts across 200 turns at a rate of 2Wb/sa the induced voltage according to Faraday's…
  16. A law that states that the polarity of the induced voltage will oppose the change in magnetic flux causing…
  17. One of the solid structures in which the position of the atoms or ions are predetermined
  18. Under ordinary conditionsa a body is considered
  19. Temporary magnets are commonly employed in
  20. The reluctance of the magnetic circuit is ________ relative permeability of the material comprising…
  21. How much is the flux in Weber in the above problem?
  22. The physical motion resulting from the forces of magnetic fields is called
  23. The straight line passing through the two poles of magnet is called
  24. What is the measure of the density and sign of the electric charge at a point relative to that at some…
  25. Whenever a conductor cuts magnetic fluxa an emf is induced in it. This is known as
  26. Who developed the electromagnetic theory of light in 1862?
  27. Which of the following is a paramagnetic material?
  28. Who discovered that a current-carrying conductor would move when placed in a magnetic field?
  29. Which of the following materials has permeability slightly less than that of free space?
  30. The customary energy unit in atomic and nuclear physics is