Hobart, H. M. (Henry Metcalf), 1868-1946 ed · Philadelphia, J. B. Lippincott · leaf 162
nducting material, gene-rally wire, carbon rod, or liquid, mounted orcontained in a suitable frame or container,and provided with terminals for connectionto the circuit. Resistance Frame. — Fig. 1 shows aprimitive type of resistance mounted in a frame. The frame consists of two ironbars A A, held… … Fig. 1.—Eesistance Frame are the terminals. This resistance frame pro-vides a fixed resistance and can appropriately,in accordance with the above suggestion, betermed a resistance. Rheostat or Variable Resistance.—The construction of a rheostat is illustrateddiagrammatically in fig. 2. The…
Electrical engineering
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