An elementary book on electricity and magnetism and their applications (1919)
Jackson, Dugald C. (Dugald Caleb), 1865-1951, Jackson, John Price, b. 1868, Black, Newton Henry, b. 1874 · New York, The Macmillian Co · leaf 22
inc (—) and the electric currentis assumed to flow in the wire from thecopper to the zinc. A little more than a hundred years agoan Italian scientist named Volta (PlateI, opposite page 4) discovered that anelectromotive force may be set up throughsuch an arrangement and so the latter isoften called… … Fig. 3. — A simple elec-tric cell. 6 ELECTRICITY AND MAGNETISM the plates instead of zinc and copper, but the two plates mustnot be of the same material. Likewise, other liquids mightbe used in the place of the sulphuric acid, but it is necessarythat the liquid should attack one of the metals…
Electricity · Magnetism
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