Answered: The resistance and inductance of a coil…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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The resistance and inductance of a coil can be obtained by connecting the coil in series with a known resistance R and measuring the coil voltage Vcoil, the resistor voltage V and the total voltage V. The frequency must also be known, but the phase angles of the voltages are not known. Given that f = 60 Hz, R = 10 R. Vcoil = 22.4 V, VR= 20 V and V = 36 V. find the resistance and inductance of the coil.

please use reference photo

50
Veot
300 V
120mH
50 Hz
Ve
100 pF
27(50)(120 x 10) = 37.69912 2
X,
31.830989 2
27(50)(100 x 10)
Z = 5 + j(37.69912 31.830989)
= 5 + j5.868131 N
=D7.70940749.567009 2
30020
38.9134992 -149.567009 A
7.709407449.567009
The current lags the voltage by 49.567009".
V = 1Z
1479.851076432.877997 V
V 12. V
=1238.6551592-139.567009 v

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