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4. A certain industrial load has an impedance of 0.6 30° at a frequency of 60 Hz. What capacitor connected in parallel with this load causes the angle of the total impedance to decrease to 15° ? Also if the load voltage is 120 V, what is the decrease in line current produced by adding the capacitor ? A. 1.18 mF, 20.7 A B. 1.81 mF, 20.7 A C. 8.11 mF, 20.7 A D. 1.81 mF, 70.2 A E. NOTA

4. A certain industrial load has an impedance of 0.6 30° at a frequency of 60 Hz. What capacitor connected in parallel with this load causes the angle of the total impedance to decrease to 15° ? Also if the load voltage is 120 V, what is the decrease in line current produced by adding the capacitor ? A. 1.18 mF, 20.7 A B. 1.81 mF, 20.7 A C. 8.11 mF, 20.7 A D. 1.81 mF, 70.2 A E. NOTA

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
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4. A certain industrial load has an impedance of 0.6 30° at a frequency of 60 Hz. What capacitor connected in parallel with this load causes the angle of the total impedance to decrease to 15° ? Also if the load voltage is 120 V, what is the decrease in line current produced by adding the capacitor ? A. 1.18 mF, 20.7 A B. 1.81 mF, 20.7 A C. 8.11 mF, 20.7 A D. 1.81 mF, 70.2 A E. NOTA
Transcribed Image Text:4. A certain industrial load has an impedance of 0.6 30° at a frequency of 60 Hz. What capacitor connected in parallel with this load causes the angle of the total impedance to decrease to 15° ? Also if the load voltage is 120 V, what is the decrease in line current produced by adding the capacitor ? A. 1.18 mF, 20.7 A B. 1.81 mF, 20.7 A C. 8.11 mF, 20.7 A D. 1.81 mF, 70.2 A E. NOTA
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