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 |
Dentro del libro
Resultados 1-5 de 81
Página 11
... necessary attribute for a body to possess in order that electricity may be readily propagated through it . All substances admit of this transmission , although to very varying degrees . A piece of copper wire offers greater facilities ...
... necessary attribute for a body to possess in order that electricity may be readily propagated through it . All substances admit of this transmission , although to very varying degrees . A piece of copper wire offers greater facilities ...
Página 31
... necessary to know the tempera- ture at which a coil was originally measured , and either bring it to that same temperature during the experiment or else make a correction in the result . But either course is somewhat tedious , and in ...
... necessary to know the tempera- ture at which a coil was originally measured , and either bring it to that same temperature during the experiment or else make a correction in the result . But either course is somewhat tedious , and in ...
Página 32
... necessary to employ either a very long or a very fine wire to make a coil of high resistance . Taking into consideration cost , durability , high specific resist- ance , and low temperature error , German silver is undoubtedly the most ...
... necessary to employ either a very long or a very fine wire to make a coil of high resistance . Taking into consideration cost , durability , high specific resist- ance , and low temperature error , German silver is undoubtedly the most ...
Página 34
... , and should the plug in course of time wear so much that it does touch the bottom , the end should be carefully filed off . To remove the plug it should be necessary to first loosen it by giving a 34 CHAP . II . Electrical Engineering.
... , and should the plug in course of time wear so much that it does touch the bottom , the end should be carefully filed off . To remove the plug it should be necessary to first loosen it by giving a 34 CHAP . II . Electrical Engineering.
Página 35
... necessary to first loosen it by giving a slight twist to the left . The lower and the two vertical edges or corners of the blocks should be filed away , as shown in fig . 9 , to give a larger ebonite insulating surface between the ...
... necessary to first loosen it by giving a slight twist to the left . The lower and the two vertical edges or corners of the blocks should be filed away , as shown in fig . 9 , to give a larger ebonite insulating surface between the ...
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.