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 5
... Conductor Closed Circuits . -Batteries in Opposition . - Portions of Circuits . — Di- vided Circuits , with ... Conductors of the same Mater- ial . - Relations of Wires of Equal Resistance . - Ratio of Resistance of Two Conductors ...
... Conductor Closed Circuits . -Batteries in Opposition . - Portions of Circuits . — Di- vided Circuits , with ... Conductors of the same Mater- ial . - Relations of Wires of Equal Resistance . - Ratio of Resistance of Two Conductors ...
Сторінка 14
... conductor circuits ; when two or more circuits are to be compared the 4th , 5th and 6th are useful . The law will be illustrated by examples . SINGLE CONDUCTOR CLOSED CIRCUITS . These are circuits embracing a continuous con 、 ducting ...
... conductor circuits ; when two or more circuits are to be compared the 4th , 5th and 6th are useful . The law will be illustrated by examples . SINGLE CONDUCTOR CLOSED CIRCUITS . These are circuits embracing a continuous con 、 ducting ...
Сторінка 19
... conductors , A and B , in parallel of A = 50 , and B 75 ohms , respectively ; what will be the ratio of the currents passing through the circuit , which will go through each conductor ? Solution : The ratio will be current through A ...
... conductors , A and B , in parallel of A = 50 , and B 75 ohms , respectively ; what will be the ratio of the currents passing through the circuit , which will go through each conductor ? Solution : The ratio will be current through A ...
Сторінка 22
... to get the final resistance . rx ri R = r + EXAMPLE . Four conductors in parallel have resistances of 100-50-27-19 ohms . What is their combined resistance ? Solution : Combining the first and second , we have 22 ARITHMETIC OF ELECTRICITY .
... to get the final resistance . rx ri R = r + EXAMPLE . Four conductors in parallel have resistances of 100-50-27-19 ohms . What is their combined resistance ? Solution : Combining the first and second , we have 22 ARITHMETIC OF ELECTRICITY .
Сторінка 25
... conductors through which a current is passing are in parallel circuit with each other . One has a resistance of 600 ohms . The other has a resistance of 3 ohms . A wire is carried across from an intermediate point of one to a ...
... conductors through which a current is passing are in parallel circuit with each other . One has a resistance of 600 ohms . The other has a resistance of 3 ohms . A wire is carried across from an intermediate point of one to a ...
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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.