The constants R and L of a coil can be obtained by connecting the coil in series

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The constants R and L of a coil can be obtained by connecting the coil in series with a known resistance and measuring the coil voltage Vx, the resistor voltage V1, and the total voltage VT (Fig. 9-22). The frequency must also be known, but the phase angles of the voltages are not known. Given that f = 60 Hz, V1 = 20 V, Vx = 22.4 V, and VT = 36.0 V, find R and L.

+ V - 10  VT V wwm jol R

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Schaum S Outline Of Electric Circuits

ISBN: 9781260011968

7th Edition

Authors: Mahmood Nahvi, Joseph Edminister

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