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Q3) An uncompensated wattmeter is connected as shown in figure below, to measu the power supplied to the load that consist of a 100 Q resistance in series with unknown inductance. The watmeter indicates 126.5 W, and an ammeter a voltmeter measure the load current and voltage as 1.1I A and 120 V. respective with 60 Hz supply frequency. Calculate (a) The phase angel between the current and voltage. (b) The unknown load inductance value VE Supply V +Vy Load V R Error =IVE

Q3) An uncompensated wattmeter is connected as shown in figure below, to measu the power supplied to the load that consist of a 100 Q resistance in series with unknown inductance. The watmeter indicates 126.5 W, and an ammeter a voltmeter measure the load current and voltage as 1.1I A and 120 V. respective with 60 Hz supply frequency. Calculate (a) The phase angel between the current and voltage. (b) The unknown load inductance value VE Supply V +Vy Load V R Error =IVE

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Q3) An uncompensated wattmeter is connected as shown in figure below, to measure the power supplied to the load that consist of a 100 2 resistance in series with an unknown inductance. The wattmeter indicates 126.5 W, and an ammeter and voltmeter measure the load current and voltage as 1.1I A and 120 V. respectively with 60 Hz supply frequency. Calculate (a) The phase angel between the curreut and voltage. (b) The unknown load inductance value VE Supply V +Vy Load V. R Error =/VE
Transcribed Image Text:Q3) An uncompensated wattmeter is connected as shown in figure below, to measure the power supplied to the load that consist of a 100 2 resistance in series with an unknown inductance. The wattmeter indicates 126.5 W, and an ammeter and voltmeter measure the load current and voltage as 1.1I A and 120 V. respectively with 60 Hz supply frequency. Calculate (a) The phase angel between the curreut and voltage. (b) The unknown load inductance value VE Supply V +Vy Load V. R Error =/VE
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