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 80
Página 2
... portion of the one sur- face into intimate contact with every superficial particle of the other , and when that is done , no extra amount of rubbing can develop any further degree of electrification . Speaking generally , then , it may ...
... portion of the one sur- face into intimate contact with every superficial particle of the other , and when that is done , no extra amount of rubbing can develop any further degree of electrification . Speaking generally , then , it may ...
Página 3
... portion of the zinc being dissolved and converted into what is called a salt of that metal . These chemical reactions cause in their turn a fresh electrical difference between the plates , which is followed immediately by another ...
... portion of the zinc being dissolved and converted into what is called a salt of that metal . These chemical reactions cause in their turn a fresh electrical difference between the plates , which is followed immediately by another ...
Página 10
... portion of the current to actually flow through the earth from one connection to the other , especially if the substratum be dry , and therefore a bad conductor . Manifestly this would be a very bad state of affairs , indicating that ...
... portion of the current to actually flow through the earth from one connection to the other , especially if the substratum be dry , and therefore a bad conductor . Manifestly this would be a very bad state of affairs , indicating that ...
Página 34
... portion of the wire and another . The bobbins are fixed to the under side of the ebonite top of the case , the wires being connected to the brass blocks a , b , c , d , e , which are firmly fixed to the upper side of the ebonite , the ...
... portion of the wire and another . The bobbins are fixed to the under side of the ebonite top of the case , the wires being connected to the brass blocks a , b , c , d , e , which are firmly fixed to the upper side of the ebonite , the ...
Página 49
... portion , however , of the gas escapes in this way , a large proportion adhering to the copper plate and forming , as it were , a gaseous film over the metallic surface . This accumulation , due to a variety of causes , is facilitated ...
... portion , however , of the gas escapes in this way , a large proportion adhering to the copper plate and forming , as it were , a gaseous film over the metallic surface . This accumulation , due to a variety of causes , is facilitated ...
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.