Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 414
Fig. 487.—Oersteds experiment. … 404 THE ELECTRIC CDRRENT currents, but also to compare roughly their strengths, bynoting the relative deflections produced. 476. Local Action. We have noted that a plate of com-mercial zinc dissolves when immersed in dilute acid, becauseelectric currents are set up between the zinc and the…
Physics
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