Arithmetic of Electricity: A Practical Treatise on Electrical Calculations of All Kinds Reduced to a Series of Rules, All of the Simplest Forms, and Involving Only Ordinary Arithmetic ...N.W. Henley Publishing Company, 1909 - 162 стор. |
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Сторінка 7
... Electromotive Force and Current . - Efficiency of Batteries . - Chemistry of Batteries . - Calculation of Voltage . - Work of Batteries . - Efficiency of Bat- teries , to Calculate . - Chemicals Consumed in a Battery - Decomposition of ...
... Electromotive Force and Current . - Efficiency of Batteries . - Chemistry of Batteries . - Calculation of Voltage . - Work of Batteries . - Efficiency of Bat- teries , to Calculate . - Chemicals Consumed in a Battery - Decomposition of ...
Сторінка 10
... force ; if of electromotive energy , that is to say of electric energy in the current form , it is called electromotive force , E. M. F. or simply E. or difference of poten- tial D. P. What this condition of excitation may be is a ...
... force ; if of electromotive energy , that is to say of electric energy in the current form , it is called electromotive force , E. M. F. or simply E. or difference of poten- tial D. P. What this condition of excitation may be is a ...
Сторінка 11
... E. M. F. This notation in powers of 10 is used throughout C. G. S. calculations . Division by a power of 10 is expressed by ... electromotive force does work a current is produced . The practical unit of current is the AMPERE , equal to ...
... E. M. F. This notation in powers of 10 is used throughout C. G. S. calculations . Division by a power of 10 is expressed by ... electromotive force does work a current is produced . The practical unit of current is the AMPERE , equal to ...
Сторінка 13
... electromotive force , and resistance . These three factors are always pres- ent in such a circuit . Its general statement is as follows : In an active electric circuit the current is equal to the electromotive force divided by the ...
... electromotive force , and resistance . These three factors are always pres- ent in such a circuit . Its general statement is as follows : In an active electric circuit the current is equal to the electromotive force divided by the ...
Сторінка 14
... force and inversely with the current . Rule 6. The electromotive force varies directly with the current and with the resistance . This law is the fundamental principle in most electric calculations . If thoroughly understood it will ...
... force and inversely with the current . Rule 6. The electromotive force varies directly with the current and with the resistance . This law is the fundamental principle in most electric calculations . If thoroughly understood it will ...
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Загальні терміни та фрази
50 cents 50 ohms 50 volts air gaps alternating current ampere turns ance appliances armature core battery C. G. S. units calculated calories capacity cells in parallel cells in series circular mils coefficient of leakage coil conductance conductor copper coulombs cross-sectional area cycles per second difference of potential distance divided drop dynamo efficiency electromotive force energy engines EXAMPLE expressed external circuit factors farad field resistance fractions given gives gram heat developed horse power horse-power inductance internal resistance joules kilogram-meter lamps in parallel leads length lines of force lines per square magnet core magnetic circuit meter microfarad microhms mils in diameter motor multiplied number of cells number of turns Ohm's law ohms resistance permeability permeance proportion ratio of conversion reciprocal reduced reluctance Rule 55 Rules 30 sectional area shunt Solution specific resistance square centimeter square inch tion turns of wire voltage weight wrought iron
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Сторінка 50 - This loss as previously explained, is equal to the square of the current multiplied by the resistance. The...
Сторінка 13 - The strength of the current is equal to the electro-motive force divided by the resistance...
Сторінка 57 - Specific Heat. The specific heat of a substance is the ratio of the heat required to raise the temperature of unit weight of the substance 1 deg.