Michael Faraday; His Life and Work

Michael Faraday; His Life and Work

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1898 edition. Excerpt: ...it and exploring the distribution of the charges, inside and out, and the inductive effect on objects placed within. Everywhere he is mentally comparing the distribution of the effects with that of the flow of currents in an electrolyte. Before many days he writes: --PREGNANT SUGGESTIONS. 155 " It appears to me at present that ordinary and electrolytic induction are identical in their first nature, but that the latter is followed by an effect which cannot but from the nature and state of the substances take place with the former." Then comes this pregnant suggestion: --" Try induction through a solid crystalline body as to the consequent action on polarized light." By the end of a week he had begun to suspect that his magnet analogy went farther than he was at first prepared to hold. The action of a magnet was along curved lines of force. So he asks: --" Can induction through air take place in curves or round a corner--can probably be found experimentally--if so not a radiating effect." After ten days more he has made another step. " Electricity appears to exist only in polarity as in air, glass, electrolytes, etc. Now metals, being conductors, cannot take up that polar state of their own power, or rather retain it, and hence probably cannot retain developed electric forces. " Metals, however, probably hold it for a moment, as other things do for a longer time; an end coming at last to all." This, it will be observed, is nothing more or less than Clerk Maxwell's theory of conduction as being the breaking down of an electrostatic strain. In January, 1836, followed the famous experiment of building a twelve-foot cube, which when electrified exteriorly to the utmost extent, showed inside no trace of electric forces. The account in the unpublished MS....show more

Product details

  • Paperback | 88 pages
  • 189 x 246 x 5mm | 172g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 123666776X
  • 9781236667762