Journal, Volumen15Institution of Electrical Engineers., 1887 Vols. for 1970-79 include an annual special issue called IEE reviews. |
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Página 14
... wound as a coil , the extra- currents from the copper coil then having 14 per cent . greater strength than that from iron , and this difference could be rendered more evident by employing longer wires . Thus copper , as regards extra ...
... wound as a coil , the extra- currents from the copper coil then having 14 per cent . greater strength than that from iron , and this difference could be rendered more evident by employing longer wires . Thus copper , as regards extra ...
Página 81
... wound up , by which means the mutual induction is at a maximum compared with the self - induction . Finally , there is a point in connection with telephones that is also interesting as touching the lightning conductor problem . We have ...
... wound up , by which means the mutual induction is at a maximum compared with the self - induction . Finally , there is a point in connection with telephones that is also interesting as touching the lightning conductor problem . We have ...
Página 97
... to obtain the high efficiency of transformation of energy as in the secondary currents . In point of fact , a dynamo machine having its electro- VOL . XV . magnet and armature wound with insulated iron wire would , 1886. ] 97 DISCUSSION .
... to obtain the high efficiency of transformation of energy as in the secondary currents . In point of fact , a dynamo machine having its electro- VOL . XV . magnet and armature wound with insulated iron wire would , 1886. ] 97 DISCUSSION .
Página 98
Institution of Electrical Engineers. magnet and armature wound with insulated iron wire would , irrespective of its resistance , have an extremely low efficiency as compared with those wound with copper ; and as regards the resistance of ...
Institution of Electrical Engineers. magnet and armature wound with insulated iron wire would , irrespective of its resistance , have an extremely low efficiency as compared with those wound with copper ; and as regards the resistance of ...
Página 106
... wound in sections the two circuits , primary and secondary , side by side . The windings are so arranged that the current always circulates round the ring in the same direction , in such a way that the lines of force in the ring form ...
... wound in sections the two circuits , primary and secondary , side by side . The windings are so arranged that the current always circulates round the ring in the same direction , in such a way that the lines of force in the ring form ...
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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