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The tiniest element of matter

A. Atom

B. Proton

C. Electron

D. Neutron

You can do it
  1. Two similar polesa each 1Wba placed 1 m apart in air will experience a repulsive force of
  2. Which of the following electric quantities is vector in character?
  3. Bonding of atoms that is due to the force of attraction between positive ions and a group of negative…
  4. What is the measure of the density and sign of the electric charge at a point relative to that at some…
  5. A principle that states that only two electrons with different spins are allowed to exist in a given…
  6. What is the main advantage of temporary magnets?
  7. Permeance is analogous to
  8. Used to maintain strength of magnetic field
  9. The emf induced in a coil due to the changing current of another neighboring coil is called
  10. What is the usual value of leakage coefficient for electrical machines?
  11. Refers to the non- metallic materials that have the ferromagnetic properties of iron.
  12. One weber of flux is equal to _______ magnetic lines of force.
  13. Whenever a conductor cuts magnetic fluxa an emf is induced in it. This is known as
  14. If you hold the conductor with right hand so that the stretched thumb points in the direction of the…
  15. The K shell or the first shell has how many permissible number of orbiting electrons?
  16. A length of wire has a resistance of 10 ohms. What is the resistance of a wire of the same material…
  17. How many neutrons does a copper atom have?
  18. When the relative permeability of a material is much greater than 1a it is called _______ material.
  19. The property of magnetic materials of retaining magnetism after withdrawal of the magnetizing force…
  20. Three charges of +5 Ca -6 C and +9 C are placed inside a sphere. What is the total flux passing through…
  21. A 200-watt lamp working for 24 hours will consume approximately _____ units.
  22. If the number of valence electrons of an atom is less than 4a the substance is called
  23. The branch of Engineering which deals with the magnetic effect of electric current is known as
  24. Electric field intensity is a ________.
  25. Amorphous solid is also called
  26. A germanium atom has an atomic weight of72. How many neutrons are there?
  27. One ampere- turn is equivalent to _____ gilberts
  28. One coulomb of charge consists of ________ electrons.
  29. The ratio between the intensity of magnetization produced in a substance to the magnetizing force producing…
  30. A factor used to correct for the electrostatic forces of the more distant ions in an ionic solid.