Electric Lighting: A Practical Exposition of the Art, for the Use of Engineers, Students and Others Interested in the Installation Or Operation of Electrical Plants, Том 1D. Van Nostrand Company, 1906 |
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Сторінка 18
... important example of this is the univer- sal adoption of the " International " volt , ohm , and other electrical units , which are no longer abstract , as they 18 ELECTRIC LIGHTING . CHAPTER III GENERAL UNITS AND MEASURES.
... important example of this is the univer- sal adoption of the " International " volt , ohm , and other electrical units , which are no longer abstract , as they 18 ELECTRIC LIGHTING . CHAPTER III GENERAL UNITS AND MEASURES.
Сторінка 22
... volt have been adopted and used . These are the British Association ( B.A. ) ohm and volt , the " Legal " ohm and volt , and , finally , the International ohm and volt . The value of the ampere has not changed materially since its ...
... volt have been adopted and used . These are the British Association ( B.A. ) ohm and volt , the " Legal " ohm and volt , and , finally , the International ohm and volt . The value of the ampere has not changed materially since its ...
Сторінка 23
... volt , which is the electro - motive force that , steadily applied to a conductor whose resistance is one international ohm , will produce a current of an international ampere , and is practically equivalent to one thousand fourteen ...
... volt , which is the electro - motive force that , steadily applied to a conductor whose resistance is one international ohm , will produce a current of an international ampere , and is practically equivalent to one thousand fourteen ...
Сторінка 24
... Volt . - Definition and Properties of the Cell . — The cell has for its positive elec- trode , mercury , and for its ... volts at 15 ° C .; and between 10 ° C. and 25o C. , by the increase of 1 ° C. in temperature , the 24 ELECTRIC ...
... Volt . - Definition and Properties of the Cell . — The cell has for its positive elec- trode , mercury , and for its ... volts at 15 ° C .; and between 10 ° C. and 25o C. , by the increase of 1 ° C. in temperature , the 24 ELECTRIC ...
Сторінка 25
... volt . - 1. Preparation of the Mercury . To secure purity it should be first treated with acid in the usual manner , and subsequently distilled in vacuo . - 2. Preparation of the Zinc Amalgam . The zinc designated in commerce as ...
... volt . - 1. Preparation of the Mercury . To secure purity it should be first treated with acid in the usual manner , and subsequently distilled in vacuo . - 2. Preparation of the Zinc Amalgam . The zinc designated in commerce as ...
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Electric Lighting: A Practical Exposition of the Art, for the Use of ..., Том 2 Francis Bacon Crocker Попередній перегляд недоступний - 2016 |
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alternating current amount ampere-hours ampere-turns amperes apparatus arc lamps armature core arrangement belt boiler booster brushes carbon cause cell cent centimeters centrifugal force charge circuit cloth coal coils commutator condensation conductors connected consists construction copper cut-off cylinder diameter direct direct current direct-current discharge dynamo effect efficiency Elec electric lighting electric-lighting electrolyte employed fact feet field-magnet flux density fly-wheel force fuel gas-engine governor heat hence incandescent lamps inch inductors insulation iron latter lines load machine machinery magnetic magnetic circuit mechanical mercurous sulphate motors multipolar obtained operated ordinary pipe piston plant plates pole-pieces poles practically pressure produced pulley represented in Fig resistance revolutions per minute ring shaft short-circuited shown in Fig shunt speed square steam steam-engine storage battery stroke sulphate supply surface switch temperature tion tubes turbine usually valve voltage voltmeter volts water-tube boilers weight wheel winding wire zinc sulphate
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Сторінка 22 - As a unit of resistance, the international ohm, which is based upon the ohm equal to 10" units of resistance of the CGS system of electromagnetic units, and is represented by the resistance offered to an unvarying electric current by a column of mercury at the temperature of melting ice, 14.4521 grams in mass, of a constant cross-sectional area and of the length of 106.3 centimetres.
Сторінка 483 - Illustrated. 8vo, cloth. $2.00. Elements of Electric Lighting, including Electric Generation, Measurement, Storage, and Distribution. Tenth Edition, fully revised and new matter added. Illustrated. 8vo, cloth. $1.50. Power Transmitted by Electricity and Applied by the Electric Motor, including Electric Railway Construction.
Сторінка 23 - ... As a unit of electromotive force, the international volt, which is the electromotive force that, steadily applied to a conductor whose resistance is one international ohm, will produce a current of one international ampere...
Сторінка 483 - ABBOTT, AV The Electrical Transmission of Energy. A Manual for the Design of Electrical Circuits.