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, 1915 - 162 стор. |
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25 cents 40 ohms 50 cents A. A. HOUGHTON air gaps alternating current ampere turns ance appliances armature armature core battery boilers C. G. S. units calculation capacity cells in parallel cells in series CHAPTER chart chemical circular mils Cloth coil concrete condenser conductor constant construction copper coulombs cross-sectional area difference of potential divided dynamo edition efficiency electrical electromotive force equal EXAMPLE expressed factors farad feet fully illustrated given gives gram heat developed HISCOX horse power horse-power internal resistance iron joules lathes length lines of force lines per square machine magnet core magnetic circuit mechanical meter microfarad molds motor multiplied number of cells number of turns O'CONOR SLOANE Ohm's law ohms resistance operation permeability permeance pounds Price proportion quantity ratio of conversion reciprocal reluctance Rule 55 Rules 30 sistance Solution specific resistance square centimeter square inch steam tables tion voltage volts watts weight
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Сторінка 13 - The strength of the current is equal to the electro-motive force divided by the resistance...