 | 1862 - 966 pages
...to obtain the maximum magnetic force. This relation has been found to be the following, viz. : — " When the resistance of the coils of the electro-magnet...the rest of the circuit, ie, the conducting wire and the battery, the magnetic force is a maximum." The mathematical investigation of these laws may be... | |
 | Aide-mémoire - 1862 - 506 pages
...to obtain the maximum magnetic foree. This relation has been found to be the following, viz. : — " When the resistance of the coils of the electro-magnet is equal to the resistance of the rest of the cireuit, ie, the conducting wire and the battery, the magnetic foree is a maximum." The mathematical... | |
 | Franklin Leonard Pope - 1869 - 158 pages
...must be preserved to obtain the maximum magnetic force. This relation is found to be the following: When the resistance of the coils of the electro-magnet...wire and battery, the magnetic force is a maximum* The application of this law to a telegraphic circuit would be to make the sum of the resistances of... | |
 | Sir William Snow Harris - 1872 - 512 pages
...preserved, to obtain the maximum magnetic force. This relation is found to be the following: — ' When the resistance of the coils of the electro-magnet...wire and battery, the magnetic force is a maximum.' The experiments of Pfaff gave him the following results (Peschel) :— 1. The amount of suspensive... | |
 | Franklin Leonard Pope - 1872 - 190 pages
...must be preserved to obtain the maximum magnetic force. This relation is found to be the following: When the resistance of the coils of the electro-magnet...wire and battery, the magnetic force is a maximum* The application of this law to a telegraphic circuit would be to make the sum of the resistances of... | |
 | sir William Snow Harris - 1872 - 474 pages
...preserved, to obtain the maximum magnetic force. This relation is found to be the following: — ' When the resistance of the coils of the electro-magnet...wire and battery, the magnetic force is a maximum.' The experiments of Pfaff gave him the following results (Peschel) :— 1. The amount of suspensive... | |
 | 1874 - 614 pages
...as'practicable, balance the resistance of the line-wire. In no case should they exceed the wire resistance. " 'When the resistance of the coils of the electro-magnet...•wire and battery, the magnetic force is a maximum.' — (Noad's Text Book.) " ' The application of this law to a telegraphic circuit would be to make the... | |
 | John T. Sprague - 1875 - 400 pages
...depends on the resistance, and the resistance and number of turns are related to the size of the wire. When the resistance of the coils of the electro-magnet...equal to the resistance of the rest of the circuit, the magnetizing force is at a maximum. The magnetizing powers of coils (of the same metal) with the... | |
 | John W. Urquhart - 1882 - 224 pages
...of convolutions of both helixes." Menzzer found what is well known according to another law, that " when the resistance of the coils of the electro-magnet...equal to the resistance of the rest of the circuit, the magnetising force is at a maximum." The truth is, that there is little difficulty in constructing... | |
 | Édouard Hospitalier - 1884 - 362 pages
...that the maximum value for M occurs when n has a certain value such that the resistance of the coil of the electromagnet is equal to the resistance of the rest of the circuit. This is in accordance with the doctrine of the conservation of energy, as it shows, in other words,... | |
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... force to remain constant. Hence it is evident that a certain proportion between the resistance of the wire and that of the remaining portions of the circuit must be preserved to obtain the maximum magnetic force. This relation... 