E. 500 mH22. An inductor coil in series with an ammeter is connected across (to) a 120V, 60HZ rmsvoltage source (E = 120 Z0°V). What is the inductance of the coil if the source current ismeasured to be 1.592 -64.2° A?A. 160 mHB. 180 mHC. 200 mHD. 220 mHE. 240 mH

22. An inductor coil in series with an ammeter is connected across (to) a 120V, 60HZ rms 120 Z0°V). What is the inductance of the coil if the source current is voltage source (E measured to be 1.592 -64.2° A? %3D А. 160 mH В. 180 mH С. 200 mH D. 220 mH E. 240 mH 6.

22. An inductor coil in series with an ammeter is connected across (to) a 120V, 60HZ rms 120 Z0°V). What is the inductance of the coil if the source current is voltage source (E measured to be 1.592 -64.2° A? %3D А. 160 mH В. 180 mH С. 200 mH D. 220 mH E. 240 mH 6.

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.27P: An industrial load consisting of a bank of induction motors consumes 50 kW at a power factor of 0.8...

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Concept explainers

Power Measurement

According to Blondel's theorem, the total power is measured with one less number of wattmeters than the number of wires present in the system. So, a single-phase and two-wire system will require one wattmeter and a single-phase and the three-wire system will require two wattmeters, and a three-phase and the three-wire system will also require two wattmeters and a three-phase and the four-wire system will require three wattmeter devices. The wattmeter is a device that measures power using one voltage and one current input as shown in the above figure. Multiple current or voltage input pair cables are used by many power analyzers and digital storage oscilloscopes (DSOs) for measuring watts, in effect within a single instrument acting as multiple wattmeters. It is possible to measure three-phase and four-wire power with one correctly specified power analyzer.

Question

E. 500 mH
22. An inductor coil in series with an ammeter is connected across (to) a 120V, 60HZ rms
voltage source (E = 120 Z0°V). What is the inductance of the coil if the source current is
measured to be 1.592 -64.2° A?
A. 160 mH
B. 180 mH
C. 200 mH
D. 220 mH
E. 240 mH

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