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 398
--1 m ^ 4) CSJD J- 1 - 2 -1 -^•7 = £ o » tcm 3— • c ^ •s-l-ss^-sll a -^ £«g£££=^ ^ 5- i 03 03 < CO CC a. CL, •v«j o 1-H ffi sc ^ u? to l^ ^ -1 eo eOMwweoec i ic — *~; U- ^ _ 5 ® S ^ V >*3 eg f^ sh stud,sh stud nish studting waound holesh studting wa/al hole). ^^ «£ l>o6 OJ C<1 WiM <M… … *« M ■* lo ?s t~ CO 379 380 PRACTICAL ELECTRICITY. Prob. 124: The resistance of the armature of a dynamo is .15 ohmand that of the field magnets, 100 ohms. With open fields the arma-ture generates 6 volts, due to the residual magnetism. What currentwill flow around the field to start the…
Electricity · Magnetism
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