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
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Página 11
... wire offers greater facilities than a piece of iron wire of similar dimensions , which in turn offers greater facilities than a similar piece of German - silver wire . But the metals one and all are enormously superior in this respect ...
... wire offers greater facilities than a piece of iron wire of similar dimensions , which in turn offers greater facilities than a similar piece of German - silver wire . But the metals one and all are enormously superior in this respect ...
Página 17
... wire can be obtained which will offer the same resistance ; and still more so was this true a few years ago , when the quality of iron wire as a conductor was vastly inferior compared with what it now is , both as regards its actual ...
... wire can be obtained which will offer the same resistance ; and still more so was this true a few years ago , when the quality of iron wire as a conductor was vastly inferior compared with what it now is , both as regards its actual ...
Página 22
... wire , drawn from the same bar , the amount of resistance which the wires will offer depends upon the size of the wires or on the area of the ends exposed on cleanly cutting them at right angles to their length - that is to say , upon ...
... wire , drawn from the same bar , the amount of resistance which the wires will offer depends upon the size of the wires or on the area of the ends exposed on cleanly cutting them at right angles to their length - that is to say , upon ...
Página 23
... wire . While if we treble the diameter of the wire , or make it three - tenths of an inch , the resistance will be only one - ninth of that of the thinnest wire . As a matter of fact , the thickest of these three wires will weigh ...
... wire . While if we treble the diameter of the wire , or make it three - tenths of an inch , the resistance will be only one - ninth of that of the thinnest wire . As a matter of fact , the thickest of these three wires will weigh ...
Página 27
... wire , the two currents re - uniting at the junction and returning to the battery by the common wire . When the resistances are not equal , the current will divide inversely as the resistances ; thus , if the resist- P FIG . 6 . A = 10W ...
... wire , the two currents re - uniting at the junction and returning to the battery by the common wire . When the resistances are not equal , the current will divide inversely as the resistances ; thus , if the resist- P FIG . 6 . A = 10W ...
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.