Lessons in practical electricity; principles, experiments, and arithmetical problems; over four hundred illustrations; an elementary text book (1909)
Swoope, C. Walton (Coates Walton), d. 1901 · New York, D. Van Nostrand company · leaf 98
n the current decomposesthe water, liberating hydrogen gas at the negative batterypole, and oxygen gas at the positive battery pole. Twice asmuch hydrogen as oxygen gas is liberated. Water is com-posed of these two gases, hydrogen and oxygen, in the pro-portion of two parts of hydrogen to one of… … 80 PRACTICAL ELECTRICITY. Exp. 19: Reverse the direction of the current through the solution,by changing the battery terminals, and note that the hydrogen andoxygen gases are now liberated on the opposite electrodes from Exp.18, which is another reason for supposing that the current has direc-tion…
Electricity · Magnetism
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