ELECTRICITY FOR TRADES (LOOSELEAF)
3rd Edition
ISBN: 9781260437454
Author: Petruzella
Publisher: MCG
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Question
Chapter 3.1, Problem 11RQ
To determine
Explain the reason why static electricity occurs more often during the colder seasons.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Question#5
Figure below shows a simple single-phase AC power system with three loads. The voltage
source is V = 240 < o°v and the impedances of these three loads are
z, = 10 < 30°n
Z2 = 10 < 45°0
Z3 = 10 < -90°n
z,
Given the context of the inductive stroke method.Can the polarity of the voltage be the same the moment the switch is closed and then open? Why?
a) A sinewave is having a frequency of 50 Hz and instantaneous value of 150 Volts at 1.4 milli seconds. Find
i) The maximum value of sinusoidal voltage waveform and
ii) The value of voltage at 1.8 milli seconds.
b) Determine the instantaneous equation for the voltage waveform shown in figure, if Vp=200 Volts, Time period is 10 milli seconds and P =30 degrees.
Vp
Upload your Answers steps in the "Final Answer Submission" Link provided in the Moodle.
a) (i) Maximum value =
a) (ii) Value of voltage at 1.8 ms =
b) Angular frequency D
Chapter 3 Solutions
ELECTRICITY FOR TRADES (LOOSELEAF)
Ch. 3.1 - Define static electricity.Ch. 3.1 - Prob. 2RQCh. 3.1 - Prob. 3RQCh. 3.1 - Prob. 4RQCh. 3.1 - Define electrostatic discharge.Ch. 3.1 - Prob. 6RQCh. 3.1 - Name three ways for a neutral object to become...Ch. 3.1 - Charging by _______________ involves an...Ch. 3.1 - Prob. 9RQCh. 3.1 - Prob. 10RQ
Ch. 3.1 - Prob. 11RQCh. 3.2 - Prob. 1RQCh. 3.2 - What is the external force that causes electron...Ch. 3.2 - Prob. 3RQCh. 3.2 - Prob. 4RQCh. 3.2 - Prob. 5RQCh. 3.2 - Prob. 6RQCh. 3.2 - Compare the operation of grid-tie and off-grid PV...Ch. 3.2 - Prob. 8RQCh. 3.2 - Name the three basic components of a battery.Ch. 3.2 - Prob. 10RQCh. 3.2 - Prob. 11RQCh. 3.2 - How does an electric generator produce...Ch. 3.2 - What type of prime mover is used as part of wind...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.Similar questions
- a) A sinewave is having a frequency of 50 Hz and instantaneous value of 150 Volts at 1.2 milli seconds. Find i) The maximum value of sinusoidal voltage waveform and i) The value of voltage at 1.7 milli seconds. b) Determine the instantaneous equation for the voltage waveform shown in figure, if Vp=100 Volts, Time period is 5 milli seconds and 0 =50 degrees. Vp i= 0 Upload your Answers steps in the "Final Answer Submission" Link provided in the Moodle. a) (i) Maximum value = a) (ii) Value of voltage at 1.7 ms b) Angular frequency %3Darrow_forwardThe voltage induced in 8 poles lamp wound generator is 120 V with armature resistance = 0.3 2. What will be the terminal voltage at a load = 3.6 A when the machine is rewound as a wave?arrow_forwardClick Submit to complete this assessment. Question 8 If residual magnetism is present in a D.C. generator, the induced e.m.f. at zero speed will be 100 V zero 10 V 220 V A Click Submit to complete this assessment. I'm Cortana. Ask me anything.arrow_forward
- Q2. A 4-pole, wave-wound armature has 72 slots with two coil-sides per slot, each coil has four turns. If the flux per pole is 20 mWb and the armature rotates at 720 rpm, what is the induced emf across the armature? (Ans. 276.48 V) 03 A 4 nolo nmeghine he umoture vith 00 clots ond o gonduetors nor elet the fluy nor nole is 005arrow_forward1. Calculate the flux in a 2-pole dynamo with 722 armature conductors generating 250 V when running at 1000 r.p.m. when the armature is 1. a.) duplex lap connected O 0.06416 Wb O 0.04155 Wb 0.41056 Wb 0.00514 Wb 1. b.) simplex wave connected 0.02078 Wb O 0.04155 Wb O 0.06612 Wb O 0.12045 Wbarrow_forwardHow can the polarity of an electromagnet be determined if the direction of current flow is known? 2. Define the following terms: 3. flux density 4. Permeability 5. Reluctance 6. Saturation Unit 13 Magnetic Induction 7. Name three factors that determine the amount of induced voltage in a coil. 8. What is the effect on induced voltage of adding more turns of wire to a coil? 9. Into how many time constants is an exponential curve divided? 10. Each time constant of an exponential curve is equal to what percentage of the maximum amount of charge? 11. An inductor has an inductance of 0.025 H and a wire resistance of 3 . How long will it take the current to reach its full Ohm's law value? Unit 15 Alternating Current . 12 What is the most common type of AC waveform? 13 How many degrees are there in one complete sine wave? 14 At what angle does the voltage reach its maximum negative value on a sine wave? 15 A sine wave…arrow_forward
- 11. There is 900 mA of current through a wire with 40 turns. What is the reluctance of the circuit if the flux is 400Wb? 14,400 At/Wb B 1,440 At/Wb Ⓒ9,000 At/Wb O90,000 At/Wb Answer: Option O Explanation: No answer description is available. Let's discuss.arrow_forwardwhen a conductor is moved in a magnetic field current is induced in it, is it true for motors? Select one: O True False At standstill condition, the back emf is zero, so the motor can be safely turned ON without a starter. Select one: True Falsearrow_forwardActivity 2: Consider the sketch of an AC machine shown in Figure 1. Draw the position of a magnet placed inside the stator (clearly marking the poles) in the following cases: 1. Phase A is at maximum voltage 2. Phase B is at maximum voltage 3. Phase C is at maximum voltage 4. Phases A and B are at maximum voltage Assuming the currents are flowing as indicated on the graph. टर N Figure 1 AC machinearrow_forward
- Three generators are rated as follows: G1: 100MVA, 33kV, xg1 = 0.1pu G2: 150MVA, 32kV, xg2 = 0.08pu G3: 110MVA, 30kV, xg3 = 0.12pu. Determine the reactance of the generator corresponding to base values of 200MVA and 35kVarrow_forwarda) A sinewave is having a frequency of 50 Hz and instantaneous value of 250 Volts at 1.1 milli seconds. Find i) The maximum value of sinusoidal voltage waveform and ii) The value of voltage at 2.1 milli seconds. b) Determine the instantaneous equation for the voltage waveform shown in figure, if Vp=150 Volts, Time period is 15 milli seconds and =50 degrees. Vp t = 0 Ф IIarrow_forwardHow is electricity distributed and transmitted over long distances in a high-voltage power system, and what are the challenges and solutions associated with this process?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Introductory Circuit Analysis (13th Edition)Electrical EngineeringISBN:9780133923605Author:Robert L. BoylestadPublisher:PEARSON
Delmar's Standard Textbook Of ElectricityElectrical EngineeringISBN:9781337900348Author:Stephen L. HermanPublisher:Cengage Learning
Programmable Logic ControllersElectrical EngineeringISBN:9780073373843Author:Frank D. PetruzellaPublisher:McGraw-Hill Education
Fundamentals of Electric CircuitsElectrical EngineeringISBN:9780078028229Author:Charles K Alexander, Matthew SadikuPublisher:McGraw-Hill Education
Electric Circuits. (11th Edition)Electrical EngineeringISBN:9780134746968Author:James W. Nilsson, Susan RiedelPublisher:PEARSON
Engineering ElectromagneticsElectrical EngineeringISBN:9780078028151Author:Hayt, William H. (william Hart), Jr, BUCK, John A.Publisher:Mcgraw-hill Education,
Introductory Circuit Analysis (13th Edition)
Electrical Engineering
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:PEARSON
Delmar's Standard Textbook Of Electricity
Electrical Engineering
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Cengage Learning
Programmable Logic Controllers
Electrical Engineering
ISBN:9780073373843
Author:Frank D. Petruzella
Publisher:McGraw-Hill Education
Fundamentals of Electric Circuits
Electrical Engineering
ISBN:9780078028229
Author:Charles K Alexander, Matthew Sadiku
Publisher:McGraw-Hill Education
Electric Circuits. (11th Edition)
Electrical Engineering
ISBN:9780134746968
Author:James W. Nilsson, Susan Riedel
Publisher:PEARSON
Engineering Electromagnetics
Electrical Engineering
ISBN:9780078028151
Author:Hayt, William H. (william Hart), Jr, BUCK, John A.
Publisher:Mcgraw-hill Education,
What is an electric furnace and how does it work?; Author: Fire & Ice Heating and Air Conditioning Inc;https://www.youtube.com/watch?v=wjAWecPGi0M;License: Standard Youtube License