Hawkins electrical guide ... : questions, answers & illustrations : a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications ; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833-1928 · New York : T. Audel & Co. · leaf 192
rrent obtained in a dynamo? Ans. A form of switch called the commutator is placedbetween the armature and the external circuit and so arrangedthat it will reverse the connections with the external circuit atthe instant of each reversal of current in the armature. Ques. How is a commutator… … ^ °^ ° rt dPa^o d« w w S ct3 <u -Sal*** d 55 •« p. g w -^ d ° S « q d bo .5 dt>,d <2 t_ «- .^ <■« ^ ^ d „. ?> - <u u 5 2 ^ c £ & cd £^,3 § d**<~3 g«d d£ d^£ <U -!«« gQ8 S« 8 D O n<U OT <U ° >+3 <u bo ■a d <u 1 0) w ti In v r! In 5 dfo o^ > • O ^J bC-r-.…
Electrical engineering
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