Learning Goal:To calculate power in an AC circuit using time-varying voltage and current functions.Before completing this tutorial, make sure you are familiar with instantaneous power, average power, and reactive power.Part A - Calculating average and reactive power ICalculate the average (P) and reactive (Q) power for the circuit element below.Consider, v(t) = 3.5 cos(600t – 120°) V and i(t) = 2.3 cos (600t +45°) AEnter a numerical with three significant figures.► View Available Hint(s)Submitv (1)i(t)P=ELEMENTWQ=VAR? Part B - Calculating power factorCalculate the power factor for the circuit element below.Consider, v(t) = 3.5 cos(600t – 120°) V and i(t) = 2.3 sin(600t +45°) AExpress your answer using three significant figures.► View Available Hint(s)pf =SubmitPart CΑΣΦ↓↑ vecSubmitAlso identify if the power factor is leading, lagging, or neither leading nor lagging.► View Available Hint(s)The power factor is leading.The power factor is lagging.The power factor is neither leading nor lagging.?v(t)i(t)ELEMENT

Answered: Image /qna-images/answer/9ce553c9-4ba5-464a-810c-38b35287a796.jpg

Answered: Learning Goal: To calculate power in an…

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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1. Instruction: Provide the correct answer. 1. What is the relationship between the supply voltage and circuit current in purely capacitive circuits?. 2. Vm = 100cos(377t + 75°) transform into sine form is a complex number that represents the amplitude and phase of a sinusoid. 3. 4. What is the phase relationship between a supply voltage and current through a purely inductive circuit?. 5. The rms value of the signal is also called the 6. The It is also the cosine of the angle of the load impedance. 7. When Q < 0, the power factor is 8. The process of increasing the power factor without altering the voltage or current to the original load is known as 9. is the cosine of the phase difference between voltage and current. is the measurement to measure average power. 10. What is the meaning of VAR?
Instruction: Provide the correct answer. 1. What is the relationship between the supply voltage and circuit current in purely capacitive circuits? 2. Vm = 100cos(377t + 75°) transform into sine form is a complex number that represents the amplitude and phase of a sinusoid. 3. 4. What is the phase relationship between a supply voltage and current through a purely inductive circuit? . 5. The rms value of the signal is also called the
The electricity in a U.S. house is called alternating current (AC) because the voltage and current vary sinusoidally with time. Assume that the frequency is 60 cycles/second and that the voltage range is [-170, +170] volts. Assume voltage is at its maximum when time a.) b.) t = 0.005556 second. Write a sinusoidal function V(t) to model that voltage, where It is in seconds. Use your function to determine the voltage at t = 0.008 sec.
Please explain in detail. A. In a series circuit, if the AC voltage is measured across the AC voltage source, will there be any variations in the phase of the AC voltage across each resistor from the measured AC voltage across the source? B. In an AC voltage source, why does voltage vary with time? Please explain in detail. C. In a series circuit, are the frequencies of the AC voltages across each resistor the same? Why is this so? ...
An AC voltage source and a resistor are connected in series to make up a simple AC circuit. If the source voltage is given by AV = AVmax sin(27ft) and the source frequency is 19.0 Hz, at what time t will the current flowing in this circuit be 61.0% of the peak current? 5.922 X Note that the voltage in this AC circuit is a sine function. Did you use the correct units for the argument of the sine function? ms
(b) An engineer is required to analyse a sinusoidal waveform for the voltage and current using oscilloscope. The voltage waveform produced Root Mean Square (RMS) value at 75 V with positive-going zero crossing at 30°. While the RMS value of current is 66.71 A with negative-going zero crossing at 0.349 rad. Assume the frequeney of both waveforms is 50 Hz. (i) Sketch the voltage and current waveform in the same axis by showing the important point. (ii) Determine instantaneous voltage when t = 8ms . (iii) Determine phase relationship between voltage and current waveform.
2. Refer to the Figure 2. a) Determine the total impedance of the circuit in polar form. b) Determine the voltage v(t) and current i(t) sinusoidal forms. Sketch one cycle of the waveforms in the same x-axis. Clearly indicating the peak value and the period of each waveform and the phase difference (in milliseconds) between the two waveforms. c) Determine the values of resistance R and inductance L. d) Determine the phasors V,, VR and Vc. e) Sketch the phasor diagram showing Vs, Vr, Vr, Vc and I.
(a) What is the frequency in Hertz and rad/s of the voltage waveform shown on Figure Q1? (b) Calculate the average voltage and rms ac voltage of the waveform shown on Figure Q1. (c) Calculate the total rms voltage of the waveform shown on Figure Q1. (d) The voltage on Figure Q1 is connected across a 0.15 2 resistive load. Calculate the power dissipated in this resistor.
Answer the question. 1. How to generate an AC? Explain. 2. What are the types of alternating current waveforms?
Suppose I have two peak phasor voltages, V, = 100245° and V, = 75Z-60°. Circle Your Choices: I. The frequencies associated with the phasors are (0 Hz, 60 Hz, 50 Hz, Unknown). II. The rms value of the first phasor is (100, 70.7, 141, 200) volts. III. If you want to add these two phasors, the frequencies must be (60 Hz, 50 Hz, The same, Integer multiples of a given frequency.)
Draw the sinusoidal waveform of the AC voltage and current for the given loads below. Describe the characteristics of the waveform for each load. A. Pure resistor B. Pure inductor C. Pure capacitor
Calculate the apparent power, real power, andreactive power for the circuit shown in Figure.Draw the power triangle. Assume a.) f = 50 Hz. b.) f = 0 Hz (DC)

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