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 10
... units of dimension , as follows : the unit of time - the second , T ; the unit of length -the centimeter , L ; the ... C. G. S. units , indi- cating centimeter - gram - second units . In practical electric calculations we deal with ...
... units of dimension , as follows : the unit of time - the second , T ; the unit of length -the centimeter , L ; the ... C. G. S. units , indi- cating centimeter - gram - second units . In practical electric calculations we deal with ...
Сторінка 11
... units of E. M. F. This notation in powers of 10 is used throughout C. G. S. calculations . Division by a power of 10 ... C. G. S. unit , or 101 C. G. S. unit , being expressed by 10 . A current of one ampere passing for one second gives ...
... units of E. M. F. This notation in powers of 10 is used throughout C. G. S. calculations . Division by a power of 10 ... C. G. S. unit , or 101 C. G. S. unit , being expressed by 10 . A current of one ampere passing for one second gives ...
Сторінка 12
... unit of capacity . These practical units are derived from the C. G. S. units by substituting for the centimeter ( C. ) one thousand million ( 109 ) centimeters and for the gram , the one hundred thousand millionth ( 10-1 ) part of a ...
... unit of capacity . These practical units are derived from the C. G. S. units by substituting for the centimeter ( C. ) one thousand million ( 109 ) centimeters and for the gram , the one hundred thousand millionth ( 10-1 ) part of a ...
Сторінка 54
... units are based on multiples of the C. G. S. units of which the erg is one . The joule comes in the C. G. S. order . Therefore to determine quantities of heat the following is a general rule when the practical electric units are used ...
... units are based on multiples of the C. G. S. units of which the erg is one . The joule comes in the C. G. S. order . Therefore to determine quantities of heat the following is a general rule when the practical electric units are used ...
Сторінка 55
... C. G. S. units this is expressed by ( 110 × 108 ) × ( 20 x 101 ) = 2200 X 10 ' ergs . per second ; .. quantity of heat 2200 × 104.16 × 107 528.8 joules or gram - degrees- centigrade per second . As 107 stated thus : = = X 107 = 1 the ...
... C. G. S. units this is expressed by ( 110 × 108 ) × ( 20 x 101 ) = 2200 X 10 ' ergs . per second ; .. quantity of heat 2200 × 104.16 × 107 528.8 joules or gram - degrees- centigrade per second . As 107 stated thus : = = X 107 = 1 the ...
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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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