Andrews, Ernest John, 1863-, Howland, Howard Newell, 1865- joint author · New York, London, The Macmillan company · leaf 245
230 ELECTRICITY [§§ 374-375 plugs separate blocks which are connected by wires havingresistances varying from . 1 ohm up to 1 ohm ; the secondfrom 1 ohm up to 10, and the third from 10 up to 100. Inthis way the resistance may be variedby tenths of an ohm from .1 ohm up, , ^^^^.j-™^^™^ to several…
Physics
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