Wright, Mark R., 1854- · London : Longmans · leaf 238
Fig. 234. is flowing, magnetise a bar, but that it also acts itself as amagnet (fig. 234). A beaker, C, is passed through a circular piece of wood, A. Inthe beaker are placed plates of zinc and copper attached to the sidesof a crosspiece of wood. A coil of thick insulated wire is made Electrolysis-… … and the ends attached, one to the copper and one to the zinc. Thebeaker is nearly filled with dilute sulphuric acid, the current passedthrough the coil. If we look at that end of the small coil, in which thecurrent is flowing like the hands of a clock, that end will actlike the south-seekingpole;…
Physics
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