A Textbook of Electric Lighting and Railways, Volume 1International textbook Company, 1901 - Electric lighting |
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Common terms and phrases
amount amperes armature belt body brushes called cell cent center of gravity cipher circle coiled conductor commutator conductor connected core current flowing current in amperes decimal places denominator diametral pitch difference of potential direction distance divided dividend divisor driven pulley driven wheel driving dynamo electricity electromotive force energy equal EXAMPLES FOR PRACTICE external circuit field magnets figure formula fraction galvanometer gear gear-wheel given Hence horsepower input internal resistance iron length lines of force load loss machine magnetic field minuend motion move multiplied north pole number of lines number of revolutions number of teeth obtained Ohm's law ohms parallel pass plane position pounds pressure pulley quotient r₁ ratio represent revolutions per minute rheostat right angles root rotated rule screw shaft shown in Fig side SOLUTION speed square inches strength of current tion units velocity volts watts weight whole number wire