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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... fact that magnetism is primarily but a consequence of dynamic electricity , or the more or less permanent effect on certain sub- stances of an electrical disturbance , instead of being a separate and distinct series of phenomena , has ...
... fact that magnetism is primarily but a consequence of dynamic electricity , or the more or less permanent effect on certain sub- stances of an electrical disturbance , instead of being a separate and distinct series of phenomena , has ...
Página 3
... fact that when the same kind of force is bestowed upon two points or bodies , but to a different extent in the one case as compared with the other , there is a universal tendency to equalise the distribution of the force -- that is to ...
... fact that when the same kind of force is bestowed upon two points or bodies , but to a different extent in the one case as compared with the other , there is a universal tendency to equalise the distribution of the force -- that is to ...
Página 4
... fact , electricity is not a fluid at all , and only in a few of its attributes is it at all comparable to a fluid . Let us rather consider electricity to be simply a form of energy . which imparts to material substances a peculiar state ...
... fact , electricity is not a fluid at all , and only in a few of its attributes is it at all comparable to a fluid . Let us rather consider electricity to be simply a form of energy . which imparts to material substances a peculiar state ...
Página 10
... fact , although he may not know the significance of his contention , that he places these two points in London and Aberdeen at different electrical potentials . He might as reasonably contend that if he turns on his water - tap into the ...
... fact , although he may not know the significance of his contention , that he places these two points in London and Aberdeen at different electrical potentials . He might as reasonably contend that if he turns on his water - tap into the ...
Página 14
... fact , the most important branch of electrical science , as , indeed , it is of every other physical science . Instead of simply saying that one lump of iron is heavier or weightier than another , it is usual to say by how much they ...
... fact , the most important branch of electrical science , as , indeed , it is of every other physical science . Instead of simply saying that one lump of iron is heavier or weightier than another , it is usual to say by how much they ...
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.