Lessons in practical electricity; principles, experiments, and arithmetical problems, an elementary text-book (1902)
Swoope, Coates Walton. [from old catalog] · New York, D. Van Nostrand company · leaf 275
ce ? By Formula (91) D = ^^^ = ^^0^ ^ ^^^ ^^• Prob. 108 : What is the value of an unknown resistance measured by the slide wire bridge when A = 1 ohm, B = 900 divisions, C = 100 divisions. By Formula (91) D = ^ ^^ = ^^^OD^ = ^^ ^^™- Problems 107 and 108 illustrate about the range of the brid«re… … MEASUREMEXT OE RESISTANCE. 257 250. Students Wheatstone Bridge {Lozenge Pattern).—The AVheatstone bridge is based upon the same principle ofbalancing potentials in a divided circuit as explained in 1| 248. In Fig. 230 a simple diagram of the circuit is given. A,B, G, and D are called the arms of…
Electricity · Magnetism
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