Lessons in practical electricity; principles, experiments, and arithmetical problems; over four hundred illustrations; an elementary text book (1909)
Swoope, C. Walton (Coates Walton), d. 1901 · New York, D. Van Nostrand company · leaf 258
necteddirectly across the line, the P. D. of which is required, or inparallel withthe conduc-tor betweenthe ends ofwhich thevoltage is re-quired. Figs. 204, 205, etc., illustrate the proper connection for measuringthe potential in the different parts of a circuit. A voltmeteris never connected, in… … 11.—Connections of a Volt and Ammeter to a Circuit. 240 PRACTICAL ELECTRICITY. Prob. 95: In Fig. 214 the dynamo, D, maintains 110 volta acrossthe mains at the lamps when 22 lamps are connected. Each lamphas a resistance of 220 ohms. What current will be indicated by theammeter? By Formula (43) J.…
Electricity · Magnetism
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