Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 549
ll 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 magnet, thereby increasing its… … Diagram of Arc Light Circuit. In this diagram the external circuit, AA, including thelamps, proceeds from the binding posts, which are directlyconnected with the commutator brushes by wires, bb. Theterminals of the field magnet wire are connected with thebinding posts by wires, aa. It will thus be…
Physics · Lantern projection · Electric apparatus and appliances
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