Laboratory exercises to accompany Carhart and Chute's First principles of physics (1913)
Fuller, Robert W. (Robert Warren), 1871-1953, Brownlee, Raymond B. (Raymond Bedell), b. 1877 joint author, Carhart, Henry Smith, 1844- First principles of physics. [from old catalog] · Boston, Allyn and Bacon · leaf 271
plied, a copper wire will permit a greater currentto pass than a German silver wire of the same dimensions.Here it is the material that makes the difference in resist-ance. By experimenting with wires of known lengths,areas, and materials, the effect of each of these on the re-sistance of the wire… … Fig. 91. A, 2 meters copper #28 ; B, 2 meters copper #28; C, 2 meterscopper #22; D, 4 meters iron #28. sent through the wires in series. In order to read thevalue of the current, an ammeter is inserted between thebattery and the resistance board. A voltmeter is providedwith wires which can be…
Physics
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