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- · New York, T. Audel · leaf 89
ITY Change the rheostat resistance accordingly until the balanceattained is su :h that a very slight variation of the rheostat re-sistance one way or the other will reverse the galvanometer de-flection. To find the pressure on the circuit, add 100 to rheostatresistance and point off two places.… … P^G. 585.—Oueen slide wire bridge. It consists of a portable slide wire, Wheatstone bridgearranged to read directly in ohms in addition to its use for locating crosses and grounds.It is complete with battery, galvanometer and telephone receiver. The bridge is balancedby moving the hand stylus until…
Electrical engineering
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