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 272
0 ohms hot),arranged as shown in Fig. 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 j )int res^istance of which is 25ohms, Formula (43). The total resist-ance… … 254 PRACTICAL ELECTRICITY. across the lamps at A will be 100 voltg 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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