What is Electricity?D. Appleton and Company, 1903 - 315 страници |
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Страница 9
... electro - magnetic waves to us from the sun . In Tyndall's Heat as a Mode of Motion , Tait's Re- cent Advances in Physical Science , and Stewart's Con- servation of Energy , the relations between work done and heat produced have been ...
... electro - magnetic waves to us from the sun . In Tyndall's Heat as a Mode of Motion , Tait's Re- cent Advances in Physical Science , and Stewart's Con- servation of Energy , the relations between work done and heat produced have been ...
Страница 11
... ELECTRIC WAVES . • XIX . THE ELECTRO - MAGNETIC THEORY OF LIGHT AND THE ETHER · XX . THE X RAYS XXI . - THE SUN XXII . - WHAT IS ELECTRICITY ? • • • 264 • 287 • · 298 · 305 WHAT IS ELECTRICITY ? 537 34 CHAPTER I. THE STANDPOINT vii.
... ELECTRIC WAVES . • XIX . THE ELECTRO - MAGNETIC THEORY OF LIGHT AND THE ETHER · XX . THE X RAYS XXI . - THE SUN XXII . - WHAT IS ELECTRICITY ? • • • 264 • 287 • · 298 · 305 WHAT IS ELECTRICITY ? 537 34 CHAPTER I. THE STANDPOINT vii.
Страница 11
... electro- magnetic theory of light . In fact , Maxwell was ready to come forward with his great generalization at the time Tyndall was bringing the world to a realizing sense of the conservation of energy . Maxwell's theory that light ...
... electro- magnetic theory of light . In fact , Maxwell was ready to come forward with his great generalization at the time Tyndall was bringing the world to a realizing sense of the conservation of energy . Maxwell's theory that light ...
Страница 11
... electro - magnetic waves , and the earth is the scene of transformations of electric energy . A piece of coal burning in a grate has therefore a long electro - magnetic history . It owed its origin to electro - magnetic waves , and in ...
... electro - magnetic waves , and the earth is the scene of transformations of electric energy . A piece of coal burning in a grate has therefore a long electro - magnetic history . It owed its origin to electro - magnetic waves , and in ...
Страница 11
... electro - magnetic waves shown in complex growths of vegetation , buried in the earth for ages , becomes evident again in a grand series of transformations . The burning of a fossilized tree trunk produces steam , steam is converted ...
... electro - magnetic waves shown in complex growths of vegetation , buried in the earth for ages , becomes evident again in a grand series of transformations . The burning of a fossilized tree trunk produces steam , steam is converted ...
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action alternating current apparatus attraction bodies carbon cathode rays centimetres charged circuit coil of wire conductor connected copper copper wire Crookes tube current of electricity detect direction discharge distance dynamo dynamo machine earth effect elec electric current electric spark electric waves electrical energy electrical machine electro-magnetic electro-magnetic waves electro-motive force employed ether excited experiments Faraday fluid galvanometer glass gravitation horse power Illustrations inch insulated iron J. J. Thomson lamp Leyden jar lines of force lines of magnetic magnetic force manifestations means measure medium metals method mirror molecular molecules motor movement needle obtained ordinary oscillations oxygen pass phenomena phenomenon photograph pipes placed plate polarization pressure produced Prof refraction resistance revolving Ruhmkorff coil self-induction south pole space spark gap spool steam engine storage battery suitable telephone terminals theory tion to-and-fro currents transformations of energy transmitted tric tricity tube velocity vibrations voltaic cell zinc
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Страница 199 - Electrical matter differs from common matter in this, that the parts of the latter mutually attract, those of the former mutually repel each other.