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 306
or volt coil, is wound with a few turns of xerj fine wire and connected inseries with a high resist-ance, the terminals be-ing brought out to in-depenclent bindingposts, as shown at thetop of the AVeston in-strument. A pushbutton switch is in-serted in the volt coilcircuit. The mov-able coil thus… … 288 PRACTICAL ELECTRICITY. The current in the volt coil will vary as the potential dif^ference between its terminals and the current through theampere coil will vary as the current in the circuit in whichit is inserted. The force acting upon the movable coil, or theforce required to bring it to…
Electricity · Magnetism
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