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 6
... Gram- Calorie . Quantity of Heat Developed in an Active Cir- cuit in a Unit of Time . - Watts and Amperes in Rela- tion to Time . - Specific Heat . - Heating of Wire by a Current . - Safety Fuses . - Work of a Current . - Elec- trical ...
... Gram- Calorie . Quantity of Heat Developed in an Active Cir- cuit in a Unit of Time . - Watts and Amperes in Rela- tion to Time . - Specific Heat . - Heating of Wire by a Current . - Safety Fuses . - Work of a Current . - Elec- trical ...
Сторінка 10
... gram , M. Concerning the latter it is to be distinguished from weight . The gram is equal to one cubic centi- meter of water under standard conditions and is invariable ; the weight of a gram varies slightly with the latitude and with ...
... gram , M. Concerning the latter it is to be distinguished from weight . The gram is equal to one cubic centi- meter of water under standard conditions and is invariable ; the weight of a gram varies slightly with the latitude and with ...
Сторінка 12
... gram , the one hundred thousand millionth ( 10-1 ) part of a gram . CHAPTER II . OHM'S LAW . THIS law expresses the 12 ARITHMETIC OF ELECTRICITY .
... gram , the one hundred thousand millionth ( 10-1 ) part of a gram . CHAPTER II . OHM'S LAW . THIS law expresses the 12 ARITHMETIC OF ELECTRICITY .
Сторінка 53
... 50:35:50 . This is the direct = and preferable method of calculation . Note . - For " heat , " , " " rate of energy , " or " rate of work " can be read in these rules . THE JOULE OR GRAM - CALORIE . The last rules WORK AND ENERGY . 53.
... 50:35:50 . This is the direct = and preferable method of calculation . Note . - For " heat , " , " " rate of energy , " or " rate of work " can be read in these rules . THE JOULE OR GRAM - CALORIE . The last rules WORK AND ENERGY . 53.
Сторінка 54
... GRAM - CALORIE . The last rules and problems only touch upon the relative proportions of heat ; they do not give any ... gram - calorie . " A joule is the quantity of heat required to raise the temperature of 1 gram of water 1 degree ...
... GRAM - CALORIE . The last rules and problems only touch upon the relative proportions of heat ; they do not give any ... gram - calorie . " A joule is the quantity of heat required to raise the temperature of 1 gram of water 1 degree ...
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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.