Electric Motor Control
10th Edition
ISBN: 9781133702818
Author: Herman
Publisher: CENGAGE L
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 8, Problem 4SQ
Why is it desirable to extinguish the arc as quickly as possible?
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
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?
State the functions of the components associated with the DOL starter
Answer these two subparts
1. It is the ability of a material to generate an electric charge when subjected to pressure
a. Piezo electric effect
b. Varistor effect
c. Optocoupling effect
d. Statoring effect
2. it is passing electricity from an external source though piezoelectric crystals will convert the electrical energy into sound waves
a. Piezoelectric effect
b. Inverse piezoelectric effect
c. Varistor effect
d. Statoring effect
Chapter 8 Solutions
Electric Motor Control
Ch. 8 - Prob. 1SQCh. 8 - What is the principal difference between a...Ch. 8 - What causes the arc to move upward in a blowout...Ch. 8 - Why is it desirable to extinguish the arc as...Ch. 8 - Prob. 5SQCh. 8 - Why will the blowout coil also operate on AC?Ch. 8 - Prob. 7SQCh. 8 - Are ON control stations used in multiple locations...
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
- How long a wire is needed to coil a spring having a mean diameter of 1 inch if there are 8 active coils?arrow_forwardExplain what is meant by an electrical element to be electrically neutral.arrow_forwardHow does short circuit protection of automatic fuse take place? a) Magnetic b) Thermal c)Thermic d) Photometricarrow_forward
- Moving coil loudspeaker working principlearrow_forwardPost Test Choose the letter of the correct answer. Write the chosen letter on a separate sheet of paper. 1. It is a smail component that lights up when current flows through it. a. Capacitor 2. It regulates the amount of current flowing in an electronic circuit. a. Capacitor 3. These are devices or components which do not require an external source to their operation. b. Fuse c. LED d. Resistor b IC c. Inductors d. Resistor c. passive devices d. electrical devices a. active devices b. electronic components 4. It is a three-terminal active component that is used mainly in boosting or amplifying electrical signals; both AF and RF ranges. a. Capacitor 5. it is necessary to turn the electrical circuit "on" or "off" a. Fuse 6. Testing tools that are capable of executing tests, reporting outcomes, and comparing results with earlier test runs a. Automated 7. The testing method that starts a soon as code is written and continues in successive stages as code is combined with other units of…arrow_forwardDC-AC Circuits Approximately, how long does it take the circuit to have a current near 5A upon closing of the switch? 5V 5H O A. 25 seconds B. 5 seconds O C. 1 second D. O second O E. 0.2 secondsarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
EBK ELECTRICAL WIRING RESIDENTIALElectrical EngineeringISBN:9781337516549Author:SimmonsPublisher:CENGAGE LEARNING - CONSIGNMENT
Electricity for Refrigeration, Heating, and Air C...Mechanical EngineeringISBN:9781337399128Author:Russell E. SmithPublisher:Cengage Learning
EBK ELECTRICAL WIRING RESIDENTIAL
Electrical Engineering
ISBN:9781337516549
Author:Simmons
Publisher:CENGAGE LEARNING - CONSIGNMENT
Electricity for Refrigeration, Heating, and Air C...
Mechanical Engineering
ISBN:9781337399128
Author:Russell E. Smith
Publisher:Cengage Learning
Photoelectric Effect, Work Function, Threshold Frequency, Wavelength, Speed & Kinetic Energy, Electr; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=-LECEvusk8E;License: Standard Youtube License