International Library of Technology · Scranton, International Textbook Co. · leaf 224
or = C i/R-{-4:7tnL% E = C^R-i- {2 7r7iL)\ (621.)(622.) (623.) That is, t/ie impressed E. M. F. E necessary to maintain a cur-rent C in a circuit of resistance R a7id inductance L is equalto the product of the curreitt C into the square root of the sumof the squares of the resistance R and the… … CURRENT APPARATUS. 2597 3S90. The relation between resistance, reactance, andxmpedance is shown by the right-angled triangle. Fig. 1466.The following definitionsmay also be given of impe-dance, reactance, and resist-ance: Impedance is that quan-tity which multiplied by the current ziv^s the…
Electrical engineering
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