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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Resultados 1-5 de 89
Página 12
... strength of the current , is less . But if the potential difference and the quantity of electricity transferred are the same in the two cases , the energy expended in the effort to restore equilibrium is the same . The result , then ...
... strength of the current , is less . But if the potential difference and the quantity of electricity transferred are the same in the two cases , the energy expended in the effort to restore equilibrium is the same . The result , then ...
Página 23
... strength of the current . That is to say , a wire which offers 10 ohms to the passage of a feeble current , offers precisely the same resistance to a powerful current , except in so far as an increase in the strength of the current ...
... strength of the current . That is to say , a wire which offers 10 ohms to the passage of a feeble current , offers precisely the same resistance to a powerful current , except in so far as an increase in the strength of the current ...
Página 24
... strength of a current and of the relationship subsisting between strength and the other attributes of an electric current . The real relationship can , perhaps , be best understood by the aid of a simile . Let us suppose two tanks , one ...
... strength of a current and of the relationship subsisting between strength and the other attributes of an electric current . The real relationship can , perhaps , be best understood by the aid of a simile . Let us suppose two tanks , one ...
Página 25
... strength varies directly as the electro - motive force , and inversely as the resistance . This law may be represented by the simple equation- Electro - motive force = Current strength , Resistance E = C. R or , As an example of the ...
... strength varies directly as the electro - motive force , and inversely as the resistance . This law may be represented by the simple equation- Electro - motive force = Current strength , Resistance E = C. R or , As an example of the ...
Página 26
... strength is the same in all parts of the circuit , and does not in any sense vary in different parts of the same circuit . The current strength can easily be supposed to be uniform in a uniform conductor , but if we make up a circuit ...
... strength is the same in all parts of the circuit , and does not in any sense vary in different parts of the same circuit . The current strength can easily be supposed to be uniform in a uniform conductor , but if we make up a circuit ...
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.