III. Problem Solving. Compute up to FOUR decimal places. BOX your final answers (with units). 1. What is the equation of the waveform in figure 1? 2. A coil takes 15A from a 250V source. When a 20 Ohm resistor is connected across the coil. The combination draws a total current of 25A. Determine the resistance and inductive reactance of the coil. 3. In the single-phase power system in figure 2, determine the voltage, Vab, and current, I-b, being received by the load, 10+j15 N. 250 V V, volts 10 ms A 100 V Figure 1 0, deg t, msec j8n 120280°V 1.2 j3n 252 j4Ω /1.250 150 15.0 2.5.2 Figure 2 j6n j12A

III. Problem Solving. Compute up to FOUR decimal places. BOX your final answers (with units). 1. What is the equation of the waveform in figure 1? 2. A coil takes 15A from a 250V source. When a 20 Ohm resistor is connected across the coil. The combination draws a total current of 25A. Determine the resistance and inductive reactance of the coil. 3. In the single-phase power system in figure 2, determine the voltage, Vab, and current, I-b, being received by the load, 10+j15 N. 250 V V, volts 10 ms A 100 V Figure 1 0, deg t, msec j8n 120280°V 1.2 j3n 252 j4Ω /1.250 150 15.0 2.5.2 Figure 2 j6n j12A

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter7: Alternating Current, Power Distribution, And Voltage Systems

Section: Chapter Questions

Problem 16RQ

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