QUESTION 7 An industrial heater has a nameplate that reads: 166 Vrms 50 Hz 106 KVA 0.88 lagging What is the apparent power? Write your answer in kVA. QUESTION 8 An industrial heater has a nameplate that reads: 128 Vrms 69 Hz 155 KVA 0.75 lagging What is the real power? Write your answer in Watts. QUESTION 9

QUESTION 7 An industrial heater has a nameplate that reads: 166 Vrms 50 Hz 106 KVA 0.88 lagging What is the apparent power? Write your answer in kVA. QUESTION 8 An industrial heater has a nameplate that reads: 128 Vrms 69 Hz 155 KVA 0.75 lagging What is the real power? Write your answer in Watts. QUESTION 9

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...

See similar textbooks

Similar questions

The concentration ratio of parabolic trough power plant is typically O a. from 30 to 40 O b. more than 1500 O c. less than 10 O d. from 10 to 20
An alternating current varying sinusoidally with a frequency of 50 Hz has anrms value of 20 A.a) Determine the instantaneous value at 0.0025 seconds.b) Determine the instantaneous value, 0.0125 seconds after passingthrough a positive maximum value.c) At what time, measured from a positive maximum value, will theinstantaneous current be 14.14 A?
(b) Figure Q2(b) represents a single-line diagram of typical power system with the line impedances as indicated in pu on a 100 MVA base with a synchronous generator at Bus 1. The line charging susceptances are neglected. Calculate the bus voltages of V½ and V3 in pu using Gauss-Seidel method with the initial estimates of V, = 1+ j0 pu and V) = 1+ j0 pu. Perform only THREE (3) iterations. (0) (0) 1 230.5 0.01+j0.03 pu MW G 0.025+j0.05 pu 0.02+j0.04 pu 172.9 MVAR V1 = 1.0620°
Make a sketch of a sine wave shape for a standard 120 V as power line. show the exact number of cycles that occur during 1/10 of a second.
QUESTION 11 An inductor is connected in parallel with a 6540 resistor and a function generator. The applied voltage is 42V RMS and the total current is 67mA RMS. Find the magnitude of the current through the inductor. Enter your answer in the space provided. Round your answer to one decimal place. Your answer should be in mA but do not enter the unit.
so then how is Rth 0.8695 kOhms in the original explanation?
Cylindrical metallic parabolic trough solar thermal collectors. 1. Does not rotate. 2. It rotates around one axis only. 3. It rotates around two axes only. 4. They can produce a temperature of20-100 °C. 5. They can produce a temperature of200-400 °C. 6. They can produce a temperature of2000-4000 °C. O 1 + 4 only. O 2 + 5 only. 2 + 6 only O 3 + 5 only.
Find the rms value of the induced emf per phase of a 10 pole, three phase, 50 Hz alternator with 2 slots per pole per phase and 4 conductors per slot in two layers. The coil span is 150°. The flux per pole is 0.12 Wb (a) 994 (c) 1020 53. (b) 864 (d) 960
3-9 An rms ac voltmeter and a peak-to-peak-reading ac voltmeter are to be used to determine whether three ac signals are sinusoidal. Deter. mine whether the signals are sinusoidal if the following readings are obtained First signal Second signal Third signal peak-to-peak reading = 35.26 V rms reading. - 12.00 V peak-to-peak reading - 11.31 V rms reading = 4.00 V peak-to-peak reading = 25.00 V rms reading -8.83 V
DC/AC MOTOR (UPVOTE WILL BE GIVEN. PLEASE WRITE THE COMPLETE SOLUTIONS LEGIBLY. NO LONG EXPLANATIONS NEEDED. ANSWER IN 2 DECIMAL PLACES. BOX THE FINAL ANSWER.) A current of (120-j150) A flows through a circuit when applied voltage is (8 + j12) V. A. What is the magnitude of the circuit impedance: a. 0.0635 ohm b. 0.0256 ohm c. 1.52 ohm d. 1.325 ohm B. What is the reactive power? a. 825.75 VAR b. 525.68 VAR c. 639.75 VAR d. 438.72 VAR
8. Liquids with solid impurities a) Have higher dielectric strength b) Of large size have higher dielectric strength c) Have lower dielectric strength as compared to pure liquids d) None of the above 9. Peak to peak ripple is defined as a) the difference between average de voltage and peak value b) the difference between maximum and minimum de voltage c) the difference between maximum ac and average de voltages d) the difference between ac (rms) and average de voltages 10. In a Cockroft-Walton circuit, input voltage 100 kV load current 25 mA, supply frequency 100 Hz, each capacitor 10 nF. The optimum no. of stages for maximum output voltage is a) 1 b) 2 c) 10 d) 35
O a72 O051 O 1.06 The value of armature current in the waveform is 14 A, a - 54 degrees, and B-155 degrees. The RMS value of current is la BeT O2.80 0497 O79.38 O10.49 直。