Lodge, Oliver, Sir, 1851-1940 · London, New York, Macmillan and co. · leaf 160
current betweenmagnet and liquid : i.e. to connect them in parallel instead of in series.It is also well to make the smaller surface of copper the cathode ;because with intense currents (say 3 amperes per square centimetre)a crust of oxide forms on the anode which almost entirely stops thecurrent… … Fig. 23.—A falling stream of liquid conveying a current between two magnetic poles,and being thereby twisted into a spiral. (Copied from a paper in PhU. Mag. byDr. Silvanus Thompson.) mercury near a magnet and note the behaviour of thejet It twists itself into a flat spiral as shown inFig. 23. The…
Electricity
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