St. John, Thomas M. (Thomas Matthew), b. 1865 · New York, T. M. St. John · leaf 54
itsdiameter, other things being Fig. 65. equal. 3. The resistance of a wire depends upon its material,as well as upon its length, size, etc. 4. The resistance of a wire increases as its temperaturerises. (See Study, Chapters XVIII. and XIX., for experiments onresistance, itsmeasurement,etc.) 71.… … Fig. 66. 52 APPARATUS FOR ELECTRICAL MEASUREMENTS. The greater the resistance the weaker the current at theend of its journey.72. Unit of Current Strength; The Ampere. A current having an E. M. F. of one volt, pushing its waythrough a resistance of one ohm, would have a unit ofstrength, called one…
Electricity
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