Whenever a conductor cuts magnetic fluxa an emf is induced in it. This is known as

A. Coulomb's law

B. Joule's law

C. Faraday's law

D. Ohm's law

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  1. Who discovered that a current-carrying conductor would move when placed in a magnetic field?
  2. If the number of valence electrons of an atom is more than 4a the substance is called
  3. Gases whose particles are charged are known as
  4. Materials whose permeabilities are slightly greater than that of free space
  5. The permittivity of a material is given by one of the following formulas.
  6. Back emf refers to the
  7. The permeability of a material having a flux density of 5 Wb/m^2 is 10^-5 H/m. What is the value of…
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  10. How much is the flux in Weber in the above problem?
  11. The property of a material which opposes the creation of magnetic flux in it
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  13. The temperature coefficient of resistance of insulators is
  14. A permanent magnet does not exert a force on
  15. The total number of magnetic lines of force in a magnetic field is called
  16. Refers to the magnetic lines
  17. A law establishing the fact that the algebraic su of the rises and drops of the mmf around a closed…
  18. Electronic current in a wire is the flow of ____________ electrons.
  19. As the magnetic intensity decreasesa the relative permeability of a magnetic material
  20. A factor used to correct for the electrostatic forces of the more distant ions in an ionic solid.
  21. If the right handed bottle-opener cork screw is assumed to be along the conductor so as to advance in…
  22. A good conductor has how many valence electrons?
  23. What solid has no defined crystal structure except perhaps in the arrangement of the nearest neighboring…
  24. The magnitude of the induced emf in a coil is directly proportional to the rate of change of flux linkages.…
  25. A t/m is a unit of
  26. What is the other name for dielectric strength?
  27. A length of wire has a resistance of 10 ohms. What is the resistance of a wire of the same material…
  28. Bonding of atoms that is due to the force of attraction between positive ions and a group of negative…
  29. At/m is a unit of
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    A magnetic pole produces 5000 field lines. How much is the flux in webers? A. 50 10^-6