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 272
(30 ohms hot),arranged as shown in Fie:. 226 andconnected to a dynamo circuit. Twolamps are connected in series at A,making the total resistance 100 ohms,which is connected in series withtwo lamps connected in parallel at C,the joint resistance of which is 25ohms, Formula (43). The total… … 254 PRACTICAL ELECTRICITY. across the lamps at A will be 100 volts and across the lamps at C, 25volts.. The A lamps burn at normal candle power, but the C lamps,dimly since they get only J ampere each. Consider now the lower half of the circuit. At B, 4 lamps are con-nected in series so that…
Electricity · Magnetism
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