Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 552
bon fila-ment. Made ofbamboo. Flat seal. Wires sealedin glass. IrregularitiesIn shape, f or re-tainingthelampin tbe cement. Metal casingof socket. C1 r e a i t con-troller or key. Gas pipefliture arm. The Edison Lamp. ELECTRIC LIGHTING. 529 the circuit has a certain amount f)f resistance which must… … Th< tdisjn Dynamj resistance will be reduced to — its former value, since the 500 170current has 500 paths instead of one ; — 0-34 ohm. The 500 100 E M F. divided by this resistance = 294-1 amperes. 0-34 530 EXPERIMENTAL SCIENXE. This amount divided among 500 lamps =^ -5882 ampere per 10lamp,…
Physics · Lantern projection · Electric apparatus and appliances
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