Electrical installations of electric light, power, traction and industrial electrical machinery (1902)
Kennedy, Rankin, d. 1917 · Edinburgh T.C. & E.C. Jack · leaf 48
e must learn ^^^^how it works, what its prin- ^^^Uciples are, and how to use it. T71 ^ • • 1 Fig. X^.—Resistance Frame Jilectricity under pressure flows from high to lower pressure, and we can control the current by altering the resistance, as it is always equal to ^; hence, if we set up a circuit…
Electrical engineering · Electric power
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
