Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 548
however, does not require adjust-ment for every change of resistance in the lamp circuit. Itbeing a shunt-wound machine, the current will be properlyapportioned to the external and internal circuits in accord-ance with the resistance offered by the external circuit.When only a single lamp is in… … S26 EXPERIMEXTAL SCIENXE. little current will pass through the field-magnet circuit, andthe electro-motive force will be proportionately small; butwhen the resistance of the external circuit is increased by theswitching in of additional lamps, more of the current will bediverted to the field…
Physics · Lantern projection · Electric apparatus and appliances
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