Sentence Examples


  • It was of course well known, as a necessity of Maxwell's mathematical theory, that the polarization and depolarization of an insulator must give rise to the same electromagnetic effects in the neighbourhood as a voltaic current in a conductor.
  • The result, was in Helmholtz's words, to establish beyond doubt that ordinary light consists of electrical vibrations in an all-pervading ether which possesses the properties of an insulator and of a magnetic medium.
  • The double cup gives great security against loss of insulation due to cracks extending through the insulator, and also gives a high surface insulation.
  • An iron bolt (b) cemented into the centre of the inner cup is used for fixing the insulator to the pole or bracket.
  • [[[Construction Of Circuits]] This form of insulator is still largely used and is a very serviceable pattern, though possessing the defect that the porcelain cup is not removable from the iron bolt on which it is mounted.

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