Journal, Volumen15Institution of Electrical Engineers., 1887 Vols. for 1970-79 include an annual special issue called IEE reviews. |
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Página 84
... filament of unit length of the wire , its resistance 1 ∞ da ; hence , since the current along the filament is c . da , the heat generated per second in this filament 1 ∞ ( c . da ) 2 × c2 . da . da ' or Hence the total heat developed ...
... filament of unit length of the wire , its resistance 1 ∞ da ; hence , since the current along the filament is c . da , the heat generated per second in this filament 1 ∞ ( c . da ) 2 × c2 . da . da ' or Hence the total heat developed ...
Página 115
... Filaments . No. 50.-C. RECHNIEWSKI - Study of Dynamos . L. PALMIERI - Pro- duction of Electricity by Combustion . G. RICHARD - Some Recent Telephones . No. 51.—E. DIEUDONNÉ - Telegraphic Transmission on Underground Cables . F. LARROQUE ...
... Filaments . No. 50.-C. RECHNIEWSKI - Study of Dynamos . L. PALMIERI - Pro- duction of Electricity by Combustion . G. RICHARD - Some Recent Telephones . No. 51.—E. DIEUDONNÉ - Telegraphic Transmission on Underground Cables . F. LARROQUE ...
Página 164
... filament must be exceedingly fine in order to become sufficiently heated by this current , and more- over , the filament must be of sufficient length to obtain the necessary amount of light - giving surface . As soon as the current is ...
... filament must be exceedingly fine in order to become sufficiently heated by this current , and more- over , the filament must be of sufficient length to obtain the necessary amount of light - giving surface . As soon as the current is ...
Página 165
... filament , we notice sometimes that one small spot is brighter than the rest of the filament . This is an indication of a flaw which will sooner or later produce the disintegration of the carbon at this particular spot . These flaws are ...
... filament , we notice sometimes that one small spot is brighter than the rest of the filament . This is an indication of a flaw which will sooner or later produce the disintegration of the carbon at this particular spot . These flaws are ...
Página 166
... filaments is evidently the effect of a combined action of heat and electricity . The heat lessens the attraction of the par- ticles for each other , and the electric forces produce motion . The result is the gradual deterioration and ...
... filaments is evidently the effect of a combined action of heat and electricity . The heat lessens the attraction of the par- ticles for each other , and the electric forces produce motion . The result is the gradual deterioration and ...
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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