ELECTRICITY FOR TRADES (LL W/ACCESS)
3rd Edition
ISBN: 9781260699487
Author: Petruzella
Publisher: MCG CUSTOM
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Textbook Question
Chapter 1.2, Problem 8RQ
Compare the amount of current that results from series and parallel arc faults.
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Preliminary Laboratory (Prelab) Work
Complete the following tasks in the space provided below for the circuit shown in Figure 2.
1.
Use voltage division to compute the phasor voltages VR and Vc assuming nominal values of R = 1000[2], C = 0.01[u], and
a cosinusoidal time-domain source voltage signal given by equation 5 below. Voltage division must be used to receive any
credit. (10 points)
equation (5)
Vs(t) = VRMSCOS(ct + 0) = 5cos(@t + 0) = 5cos(62832t + 0) = 5cos(62832t) [V]
=VRMSCOS(2лft + 0) = 5cos[2л(10000)t + 0] = 5cos[2л(10000)t] [V]
2. Compute the phasor current, Is. (3 points)
3.
Calculate the complex power, S, active power, P, and reactive power, Q, for the circuit. (4 points)
4.
Construct the phasor diagram for the circuit, and show mathematically that the phasor (vector) sum of the phasor voltages VR
and Vc is equal to Vs. (3 points)
Agilent 33210A
(BECC4242) or
Vs
Keysight 33500B
(BECC4261)
Function Generators
Is
R
w
+
VR
Vc
+
+
Zc
V
out
=Vc
Figure 2: RC circuit connected…
Please explain in detail. My answer for the first question is 15/2.
I am more confused about how to do the graphing part and figure how long it will take to reach its final value.
Thank you, I will like this.
This is the 3rd time i'm asking this. SOLVE THIS AND FIND V0 , the last answer i was given is -2V which is not even one of the listed options. the listed options are: 12V,4V,24V,6V. first answer given to me was 4V but after i simulated on ltspice albeit i'm not sure if i simulated correct i got a different answer and when i solved it myself i got a different answer. this is my last remaining question. PLEASE SOLVE CORRECTLY AND PROPERLY. NODAL ANALYSIS IS BEST TO USE HERE. IT IS AN IDEAL OP-AMP. SIMULATE USING LTSPICE AND GIVE ME FINAL ANSWER IF POSSIBLE AS THAT IS ALL I CARE ABOUT NOT THE PROCESS. THANK YOU. WILL UPVOTE CORRECT ANSWER, but downvote wrong answer.
Chapter 1 Solutions
ELECTRICITY FOR TRADES (LL W/ACCESS)
Ch. 1.1 - Does the severity of an electric shock increase or...Ch. 1.1 - In general, voltage levels above what value are...Ch. 1.1 - In general, current levels above what value are...Ch. 1.1 - What circuit fault can result in an arc flash?Ch. 1.1 - Define each of the following terms associated with...Ch. 1.1 - Explain why an arc flash is so potentially...Ch. 1.1 - What is a permit-required confined space?Ch. 1.1 - What does the term personal protective equipment...Ch. 1.1 - What personal protective attire is required when...Ch. 1.1 - When should face shields be worn?
Ch. 1.1 - A fall arrest system must be rigged so that...Ch. 1.1 - A ladder is used to reach the top of a building 16...Ch. 1.1 - What are the deck requirements for a scaffold work...Ch. 1.1 - Prob. 14RQCh. 1.1 - List the three ingredients required to sustain a...Ch. 1.1 - Which classes of fire are multipurpose...Ch. 1.1 - List four hazardous properties or characteristics.Ch. 1.2 - Prob. 1RQCh. 1.2 - Compare the terms grounding and bonding.Ch. 1.2 - Why is the earth not considered to be an effective...Ch. 1.2 - Explain what is meant by a ground fault.Ch. 1.2 - How does a ground-fault circuit interrupter (GFCI)...Ch. 1.2 - How does a ground-fault circuit interrupter (GFCI)...Ch. 1.2 - Explain what is meant by an arcing fault.Ch. 1.2 - Compare the amount of current that results from...Ch. 1.2 - Compare what GFCIs and AFCIs protect against.Ch. 1.2 - What does a lockout-tagout procedure refer to?Ch. 1.2 - Prob. 11RQCh. 1.2 - A voltmeter is used to verify that no voltage is...Ch. 1.2 - What is the main goal of OSHA?Ch. 1.2 - What is the primary purpose of the rules set forth...Ch. 1.2 - Assume a piece of electrical equipment has been...Ch. 1.2 - How often is the National Electrical Code updated...
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- Find Zeq here. i already had one solution written to me but it's wrong. my main question is. i know that i do the parallel connection first so 2x2 / 2+2 = 1ohm but what i'm asking is since it's an open terminal is R3,2(parallel resistors) in series to R1? or should i first do R3,2 // to ZL and then add R1 in series? PLEASE READ THIS. and solve properly. EXPLAIN WHAT I ASKED PROPERLY. UPVOTE WILL BE GIVEN.arrow_forwardThe E-field pattern of an antenna, independent of o, varies as follows: E = 0 7100 0° ≤0≤45° 45° < 0 ≤ 90° 90° < 0 ≤ 180° (a) What is the directivity of this antenna? (b) What is the radiation resistance of the antenna at 200 m from it if the field is equal to 10 V/m (rms) for 0 = 0° at that distance and the terminal current is 5 A (rms)?arrow_forwardFind Zeq here. i already had one solution written to me but it's wrong. my main question is. i know that i do the parallel connection first so 2x2 / 2+2 = 1ohm but what i'm asking is since it's an open terminal is R3,2(parallel resistors) in series to R1? or should i first do R3,2 // to ZL and then add R1 in series? PLEASE READ THIS. and solve properly. EXPLAIN WHAT I ASKED PROPERLY. UPVOTE WILL BE GIVEN.arrow_forward
- Find Zeq here, ignore the semi circle in the wiring i'm just bad at drawing circuits. ZL=JWL write Zeq in terms of JW and give me the final equation. (basically check the parallel and series combinations and give me the final answer.)Will upvote correct answer. Thanks!arrow_forwardFill in the chart and answer questions Answer problems 10, 11, and 12 using the following information:An addition is being planned to a school building. You have been asked to determine theload that will be added to the panelboard that will serve this addition.The addition will be a building 80 ft 3 50 ft. It will consist of four classrooms, every40 ft 3 20 ft and a corridor that is 10-ft wide The following loads will be installed:Each classroom:12 fluorescent luminaires, 2 ft 3 4 ft @ 85 VA each20 duplex receptaclesAC unit, 208-volt, 1-phase @ 5000 VACorridor:5 fluorescent luminaires, 1 ft 3 8 ft @ 85 VA each8 duplex receptaclesExterior:4 wall-mounted luminaires @ 125 VA each4 duplex receptacles 10. The calculated load is__________ VA.11. The connected load is__________ VA.12. The neutral load is_____________ VA.arrow_forwardA 1200-ampere service was installed, consisting of three sets of 600 kcmil THHN/THWN copper conductors per phase. The electrical contractor was careful to cut theconductors the same length. When the utility crew made up the connections at theservice heads, they cut the conductors to different lengths to make their connectionssimpler. The actual lengths of the service-entrance conductors in a given phase ended up being20 ft (6.1 m), 22 ft (6.7 m), and 24 ft (7.3 m). The maximum ampacity of a 600-kcmilTHHN/THWN copper conductor is 420 amperes using the 75°C column of Table310.16. This is more than adequate for the calculated 1200 amperes when three conductors are run in parallel. Determine how the load of 1200 amperes would divide in each of the three paralleledconductors in a phase.arrow_forward
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