Electricity for public schools and colleges (1891)
Larden, W. (Walter), b. 1855 or 6 · London : Longmans · leaf 425
ore, it willrespond to demands madeupon it. § 19. Shunt-Dynamos. —In a very important class ofmachines there are two alter-native paths for the currentto pursue when it leaves thecollecting brushes. The onepath is through the coils ofthe field-magnets, which aremade long and of relativelyhigh… … en. XXIII. DYNAMO-ELECTRIC MACHINES 399 field-magnet, and will increase the E.M.F. of the machine.Hence, this method of construction is particularly suited tocases where it is desired to keep a constant current under varia-tions in the external circuit; for the E.M.F. of the machine risesas…
Electricity
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