Electrical Engineering for Electric Light Artisans and Students: (embracing Those Branches Prescribed in the Syllabus Issued by the City and Guilds Technical Institute)Longmans, Green, 1895 - 753 páginas |
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... practice to be among the best in their respective classes , also serve to illus- trate in the clearest manner the laws and principles involved . In a few cases , however , the apparatus can scarcely be said to have been successfully ...
... practice to be among the best in their respective classes , also serve to illus- trate in the clearest manner the laws and principles involved . In a few cases , however , the apparatus can scarcely be said to have been successfully ...
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... practice of Electrical Engineering . We have therefore considered it desirable to thoroughly revise the work , and it is hoped that , in its new form , it will prove as acceptable as the many editions which have been called for have ...
... practice of Electrical Engineering . We have therefore considered it desirable to thoroughly revise the work , and it is hoped that , in its new form , it will prove as acceptable as the many editions which have been called for have ...
Página 31
... practice the coils are measured at the temperature at which it is probable they will generally be used , say 15 ° C. ( 59 ° F. ) , and the error lessened by choosing a metal whose percentage of resistance variation with change of ...
... practice the coils are measured at the temperature at which it is probable they will generally be used , say 15 ° C. ( 59 ° F. ) , and the error lessened by choosing a metal whose percentage of resistance variation with change of ...
Página 42
... practice it is frequently contracted into ' unit . Thus a dynamo electric machine capable of developing , say , 300 amperes at a potential difference of 200 volts , or 300 X 200 = 60,000 watts , is generally referred to as a 60 unit ...
... practice it is frequently contracted into ' unit . Thus a dynamo electric machine capable of developing , say , 300 amperes at a potential difference of 200 volts , or 300 X 200 = 60,000 watts , is generally referred to as a 60 unit ...
Página 43
... practice by the electric- lighting engineer . No effort should therefore be spared to master the simple relation existing between the ampere , volt , ohm , horse- power , kilowatt , & c . But it is advisable to know the method by which ...
... practice by the electric- lighting engineer . No effort should therefore be spared to master the simple relation existing between the ampere , volt , ohm , horse- power , kilowatt , & c . But it is advisable to know the method by which ...
Otras ediciones - Ver todas
Electrical Engineering for Electric Light Artisans and Students: (Embracing ... Sir William Slingo,Arthur Brooker Sin vista previa disponible - 2015 |
Electrical Engineering for Electric Light Artisans and Students: (Embracing ... William Slingo,Arthur Brooker Sin vista previa disponible - 2015 |
Términos y frases comunes
acid alternating current ammeter amount ampere-hours amperes apparatus arc lamp armature core battery brass brushes candle candle-power carbon cell commutator conductor connected considerable convolutions copper Crown 8vo current flowing current strength curve Daniell cell deflection developed diameter direct current direction dynamo eddy currents effect electrical electro-magnet electro-motive force employed equal external circuit external resistance field field-magnet coils filament fixed galvanometer heat illustrated in fig inch increase instrument insulated lamp length light lines of force machine magnetic magnetising maximum measured mercury metal motor needle negative number of lines obtained ohms pair parallel piece placed plates pole pole-pieces portion position potential difference practice pressure proportional reduced result revolutions per minute ring rotation round screw secondary self-induction shaft shown in fig shunt soft iron solenoid speed steel strip sulphate surface switch temperature terminals tion tube varies voltmeter volts watts wire wound zinc
Pasajes populares
Página 635 - To explain the construction of the common barometer, and to shew that the mercury is sustained in it by the pressure of the air on the surface of the mercury in the basin.
Página 582 - ... a few words on the subject may not be out of place.