The Electrician's Pocket-book: The English Edition of Hospitalier's "Formulaire Pratique de L'électricien;" |
Contents
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Other editions - View all
The Electrician's Pocket-book: The English Edition of Hospitalier's Édouard Hospitalier,Gordon Wigan No preview available - 2017 |
The Electrician's Pocket-Book, the English Edition of Hospitalier's ... Édouard Hospitalier No preview available - 2012 |
The Electrician's Pocket-Book, the English Edition of Hospitalier's ... Edouard Hospitalier,Gordon Wigan No preview available - 2015 |
Common terms and phrases
action Amalgamated ampères angle apparatus armature arranged axis Ayrton and Perry's bath battery BAUMÉ bridge C. G. S. unit cable calories g.-d capacity carbon cent centigrade charge chloride circuit coil condenser conductor constant copper wire coulombs cubic current passing current strength Daniell's cell deflection deposit difference of potential dimensions direction dyne electrical energy electro-magnet electromotive force elements equal field magnets foot-pounds formula German silver grammes guttapercha heat horse-power instrument insulation internal resistance iron kilogrammes kilogrammètres kilomètre lamp length litres machine magnetic field magnetised Marcel Deprez measured megohms mercury metal method microfarad needle nitric acid Ohm's law ohms paraffin plate platinum plugs pole practical unit produced proportional quantity of electricity radius resistance box scale sensibility shunt Siemens Siemens unit solution specific resistance standard sulphate of copper sulphuric acid tangent galvanometer temperature Thomson's tube vary voltmeter volts weight Wheatstone's Wheatstone's bridge zero zinc sulphate
Popular passages
Page 6 - The force of attraction or repulsion between two point charges is directly proportional to the product of the charges and inversely proportional to the square of the distance between them.
Page 42 - A current of unit intensity is such that when one centimetre length of its circuit is bent into an arc of one centimetre radius, it exerts a force of one dyne on a unit magnetic pole placed at its center. Electromotive Force.
Page 36 - ... force which, acting on a mass of 1 gramme for 1 second, gives it a final velocity of 1 centimetre per second.
Page 145 - Hence the radius of gyration may be defined as the distance from the axis of rotation, at which the whole mass of the body must be supposed concentrated, in order that the energy of rotation may be the same as it is actually.
Page 21 - ... needle. The coil is then turned until it overtakes the needle, which once more lies parallel to the coil. Two forces are now acting on the needle and balancing each other, viz., the directive force of the earth's magnetism, and the deflecting force of the current flowing through the coil. At this moment, the strength of the current is proportional to the sine of the angle through which the coil has been turned. The values of the sines may be obtained from a table of natural sines. Such a table...
Page 10 - The law that the strength or intensity of an unvarying electrical current is directly proportional to the electromotive force, and inversely proportional to the resistance of the circuit. The law does not hold for alternating currents unless modified so as to include the effects of counter electromotive force.
Page 15 - The amount of an ion liberated at an electrode in one second is equal to the strength of the current multiplied by the " electro-chemical equivalent
Page 29 - ... the mass of one cubic centimetre of distilled water at the temperature of 4°...
Page 15 - Summing up, the heat produced in a conductor is proportional to the resistance of the conductor, to the square of the current, and to the time.
Page 25 - Fig. 1133 illustrates a case of circular motion which differs in many features from the first two considered. Here the lines of force are parallel to each other and at right angles to the axis of rotation ; consequently, the angle between the direction of motion and the direction of the lines of force changes at every instant. From this it follows that the EMF also varies during successive instants. Although the direction of motion of the conductor changes, at any one point it may be considered to...