Journal, Volumen15Institution of Electrical Engineers., 1887 Vols. for 1970-79 include an annual special issue called IEE reviews. |
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Página 19
... heating than a wire or rod of the same resistance . Lightning conductors are intended to convey a current of high intensity during an exceedingly short time , and should therefore be designed so as to convey this current with as little ...
... heating than a wire or rod of the same resistance . Lightning conductors are intended to convey a current of high intensity during an exceedingly short time , and should therefore be designed so as to convey this current with as little ...
Página 23
... heating the wire to a bright red heat . It is well known that iron loses its magnetic properties at bright red heat , and I found that its self - induction then fell to less than that of copper . This would have been conclu . sive had ...
... heating the wire to a bright red heat . It is well known that iron loses its magnetic properties at bright red heat , and I found that its self - induction then fell to less than that of copper . This would have been conclu . sive had ...
Página 24
... heat the wire to red heat , allowing it to cool with the current on ; or , in place of heat , magnetise the wire ; or , in place of magnetism , give the wire mechanical vibrations : the result of either of these being a strong internal ...
... heat the wire to red heat , allowing it to cool with the current on ; or , in place of heat , magnetise the wire ; or , in place of magnetism , give the wire mechanical vibrations : the result of either of these being a strong internal ...
Página 64
... heat alone has also removed the effects of self - induction . These effects , and his paper , show how our science of electricity has been enriched by practice . Theories always come after the event . I do not know any theory , not even ...
... heat alone has also removed the effects of self - induction . These effects , and his paper , show how our science of electricity has been enriched by practice . Theories always come after the event . I do not know any theory , not even ...
Página 71
... heat in the circuit may disappear ; and in this variable period which precedes the passage of the normal current we might , if we could devise instruments sufficiently sensitive , observe the production of cold , as in the period which ...
... heat in the circuit may disappear ; and in this variable period which precedes the passage of the normal current we might , if we could devise instruments sufficiently sensitive , observe the production of cold , as in the period which ...
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amperes apparatus arc lamps armature arranged Bernstein cable cent circuit coils condenser conductor connected construction copper copper wire current-density cut-out Describes diameter difference of potential difficulty distance dynamo Dynamo-Electric Machines effect efficiency Electric Arc Electric Currents electric lighting electrical efficiency electro-magnet electro-motive force electrodes employed equal experiments extra-currents field magnets filament Franklin Institute galvanometer given glass glow lamps heat Improvements in Dynamo-Electric Improvements in Electric Improvements in Secondary incandescent lamps increase inductive capacity instrument insulation iron core iron wire lead length Lord Rayleigh magnetised maximum economy means metal method miles obtained ohms paper parallel plate platinum poles potential difference practical Preece produced Professor Hughes regulator Relates resistance Secondary Batteries segments self-induction series system solenoid solution switch T. A. EDISON telegraph telephone temperature trunk wire tube upper carbon rod V₁ variable period vibrations volts watts zinc