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Updated: May 10, 2025
Woman is also to become an electrician, at least empirically, and in time soon to come will understand her voltage and her Amperes as she now does her drafts and dampers and the quality of her fuel.
With a power of 25 kilogrammeters it furnishes a current of 40 volts and 7 amperes, which is more than sufficient to run two 50-candle incandescent lamps. The winches are removable, and are not put upon the shaft until the moment they are to be used. The windlasses, as above stated, are permanently connected with the terminals of the dynamos.
In fact, the Machine-Gun Officer, Liaison Officer, and Padre had already gone, leaving their seniors to hold the fort till the last. The Signal Officer was down in the cellar, handing over ohms, ampères, short-circuits, and other mysterious trench-stores to his "opposite number."
Napoli and Abdank-Abakanowicz, is designed for solving this problem mechanically, by tracing the curve sought. Let us take another example from the domain of electricity, in order to better show the utility of the apparatus; let us suppose that we have a curve representing the discharge of a pile or of an accumulator. The abscisses represent the times, and the ordinates the amperes.
That is, if you divide the current in amperes by the electromotive force in volts the quotient will give you the resistance in ohms. Or if you know what the electromotive force of the current is in volts and the resistance of the circuit is in ohms then you can find what the current flowing in the circuit is in amperes, thus: Volts E = Amperes, or = I Ohms R
They tramped and rode back and forth along the right of way, occupied with their insulations, the height of their water, their watts and volts and amperes. Surroundings were a matter of indifference to them. Activity was of the same sort, whether in the city or in the wilderness. As influences city or wilderness it was all the same to them.
The same explanation is also applicable to the Deptford case, for when the dynamo is direct on, the condenser current is about 10 amperes, and this exerts only a small influence on the strongly magnetized magnets. When transformers are used, the field magnets are weak, while the condenser current rises to 40 amperes. Mr.
As he lay wondering whether an attempt to regain his feet would be worth while, he seemed to hear the distant but strenuous ringing of an electric bell, and almost smiled at the absurdity of such a fancy in such a place. The thought carried him back to the electrical laboratory of the Institute, and he began to dream that he was still a student of ohms, volts, and amperes.
I have now to draw your attention to a new motor of my own invention, of the weight of 124 lb., which, at 1,550 revolutions, gives 31 amperes and 61.5 volts at terminals. The mechanical horse power is 1.37, and the coefficient 373. Ohms. Armature resistance 0.4 w. Field-magnet resistance 0.17 w. Insulation resistance 1,500,000 w.
They were not large about twelve horse-power each generating seventy-five amperes of current at one hundred and ten volts, so that not quite twenty-five horse-power of electrical energy was available for propulsion.
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