EBK INTRODUCTORY CIRCUIT ANALYSIS
13th Edition
ISBN: 9780133923872
Author: Boylestad
Publisher: PEARSON CUSTOM PUB.(CONSIGNMENT)
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 12, Problem 14P
a. Find the current I required to establish a flux
b. Compare the mmf drop across the air gap to that across the rest of the magnetic circuit. Discuss your results using the value of
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
26
Choose the parameter which is developed in a generator, when a conductor cuts the magnetic flux.
a.
Current
b.
Voltage
c.
Mechanical Energy
d.
Force
explain why Two coils are said to be mutually coupled if the magnetic flux Ø emanating from one pass through the other. The mutual inductance between the two coils is given by M=ksquare root of L1xL2
a. Find the reluctance of a magnetic circuit if amagnetic flux φ = 4.2 × 10−4 Wb is established byan impressed mmf of 400 A-turns.b. Find the magnetizing force H in SI units if themagnetic circuit is 6 in long.
Chapter 12 Solutions
EBK INTRODUCTORY CIRCUIT ANALYSIS
Ch. 12 - Using Appendix E, fill in the blanks in the...Ch. 12 - Repeat Problem 1 for the following table if...Ch. 12 - For the electromagnet in Fig. 12.34 a. Find the...Ch. 12 - Which section of Fig. 12.35-(a), (b), or (c)-has...Ch. 12 - Find the reluctance of a magnetic circuit if a...Ch. 12 - Prob. 6PCh. 12 - Find the magnetizing force H for Problem 5 in SI...Ch. 12 - If a magnetizing force H of 600 At/m is applied to...Ch. 12 - For the series magnetic circuit in Fig. 12.36,...Ch. 12 - Find the current necessary to establish a flux of...
Ch. 12 - a. Find the number of turns N1 required to...Ch. 12 - a. Find the mmf (NI) required to establish a flux...Ch. 12 - For the series magnetic circuit in Fig.12.40 with...Ch. 12 - a. Find the current I required to establish a flux...Ch. 12 - Prob. 15PCh. 12 - Determine the current I1 required to establsh a...Ch. 12 - a. A flux of 0.210-4Wb will establish sufficient...Ch. 12 - For the series-parallel magnetic circuit in Fig....Ch. 12 - Find the magnetic flux established in the series...Ch. 12 - Prob. 20PCh. 12 - Note how closely the B-H curve of cast steel in...
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 coil of 1000 turns is uniformly wound on a ring type non-magnetic material. The mean diameter and cross-sectional area of the ring are 20 cm and 4 cm2. If the current flowing is 2 A, find the total flux in μWb. SHOW SOLUTION PLEASE.arrow_forwardProblem 10: An infinitely long wire carries a current of I = 150 A. Randomized VariablesI = 150 A Part (a) Consider a circle with a radius r and centered on the wire. Determine the magnitude of the magnetic field B at points along the circle in terms of I and r.arrow_forward1. Determine the force in pounds upon each side of a coil of 40 turns carrying a current of 15 A if the axial length of the coil is 10 inch and flux density is 20,000 lines per square inch. The conductors are at right angles to the flux.? 2. Two coupled coils with L1= 20 mH, L2 = 10mH and k = 0.5 are connected in series opposing. Determine the total inductance.?arrow_forward
- 24. Calculate the AT/m to produce a flux density of 0.001 Wb/m^2 at the center of a long straight solenoid.arrow_forward3.2 A generator has a copper conductor of 6 m length, rotating at a speed of 10 m/s at a right angle to the uniform magnetic flux density of 10 T. 3.2.1 Determine the magnitude of the induced emf across the ends of the conductor. 3.2.2 Determine the magnitude of the induced emf if the flux density changes to 15 T.arrow_forwardA current distribution gives rise to the vector magnetic potential A = x y x + y 2 xy — 4x zaz Wbm. Calculate (a) Bat(-1,2 , 5) (b) The flux through the surface defined by z = 1,0^x^1,- 1 <y< 4 Answer: (a) 20 ax + 40 ay + 3az Wb/m2 , (b) 20 Wb.arrow_forward
- A toroid (ring shaped) magnetic core is wounded by a coil having 250 turns. The inner (ri) and outer radii (rd) are 20cm and 25cm, respectively. The toroidal core has a circular cross section (S). For a coil current of 2.54 A, calculatea. The magnetic flux density along the mean radius of the core (l).b. Flux in the core.c. Flux linkage of the coil.d. Reluctance of the toroid core.e. Magnetic permeability of the material.f. The inductance of the coil, under the assumption that the flux density within the core is uniform and same at every point of the core.arrow_forwardA toroid (ring shaped) magnetic core is wounded by a coil having 250 turns. The inner (ri) and outer radii (rd) are 20cm and 25cm, respectively. The toroidal core has a circular cross section (S). For a coil current of 2.54 A, calculatea. The magnetic flux density along the mean radius of the core (l).b. Flux in the core.c. Flux linkage of the coil.d. Reluctance of the toroid core.e. Magnetic permeability of the material.f. The inductance of the coil, under the assumption that the flux density within the core is uniform and same at every point of the core.Harrow_forwardcompute the total flux crossing the z=0 in cylindrical coordinates p≤ 5x10^-3m if B=2/p(sin²φ)az and tge total magnetic flux density.arrow_forward
- Bar type CT has the following parameters:CT ratio = 2000/5 AMaximum primary current = 40 kAMaximum flux density in the core = 1.6 TImpedance (Actual burden) = 0.31 ΩCore cross sectional area = 20 cm2Find the maximum burden permissible if no saturation occurs.arrow_forwardConvection and Conduction Currents In a cylindrical conductor of radius 4 mm, the current density is: J=5 e-10ρ az A/m2.Find the current through the conductor.arrow_forward) A conductor moves with a velocity of 15 m/s at an angle of (a) 90◦, (b) 60◦ and (c) 30◦ to a magnetic field produced between two square-faced poles of side length 2 cm. If the flux leaving a pole face is 5 μWb, find the magnitude of the induced e.m.f. in each case. (b) Determine the delta-connected equivalent network for the star-connected impedances shown inarrow_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,
Magnets and Magnetic Fields; Author: Professor Dave explains;https://www.youtube.com/watch?v=IgtIdttfGVw;License: Standard YouTube License, CC-BY