Engineering Electromagnetics
9th Edition
ISBN: 9780078028151
Author: Hayt, William H. (william Hart), Jr, BUCK, John A.
Publisher: Mcgraw-hill Education,
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Chapter 8, Problem 8.5P
To determine
The torque on cylinder.
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A ten-turn solenoid has a ferromagnetic core with a relative permeability of 10,000. The length of the solenoid is l=10 cm and its cross section area is A=1 cm2. The amount of current driving the solenoid is 0.1 A. Determine the magnetic flux intensity H in the core. Provide your answer in A/m. Round off to your answer to one decimal.
A core with three legs is shown in the figure below. The depth of the core is 5cm, and there are 100 turns on the
leftmost leg. The relative permeability of the core can be assumed to be 2000 and constant. What flux exists in each
of the three legs of the core? What is the magnetic field in each of the legs? Assume a 5percent increase in the
effective area of the air gap due to fringing effects.
9 cm
9 cm
25 cm
15
cm
-25 cm
9 cm
2 A
100 turns
0.05 cm
25 cm
9 cm
Core depth = 5 cm
Please
Chapter 8 Solutions
Engineering Electromagnetics
Ch. 8 - A point charge, Q = - 0.3 /C and m = 3 Ă— -10-16...Ch. 8 - Prob. 8.2PCh. 8 - Prob. 8.3PCh. 8 - Show that a charged particle in a uniform magnetic...Ch. 8 - Prob. 8.5PCh. 8 - Show that the differential work in moving a...Ch. 8 - A conducting strip of infinite length lies in the...Ch. 8 - Two conducting strips, having infinite length in...Ch. 8 - A current of-100az A/m flows on the conducting...Ch. 8 - A planar transmission line consists of two...
Ch. 8 - Prob. 8.11PCh. 8 - Two circular wire rings are parallel to each...Ch. 8 - An infinitely long current filament is oriented...Ch. 8 - A solenoid is 25 era long, 3 cm in diameter, and...Ch. 8 - Prob. 8.15PCh. 8 - Prob. 8.16PCh. 8 - Prob. 8.17PCh. 8 - Prob. 8.18PCh. 8 - Given a material for which ℵK = 3.1 and within...Ch. 8 - Find H in a material where (a) fir = 4.2, there...Ch. 8 - Prob. 8.21PCh. 8 - Prob. 8.22PCh. 8 - Calculate values for HO,B0, and M0 at p = c for a...Ch. 8 - Two current sheets, K0,ay, A/m at z = 0 and -K0,ay...Ch. 8 - Prob. 8.25PCh. 8 - Prob. 8.26PCh. 8 - Let đ�œ‡rj = 2 in region 1, defined by 2x + 3y —...Ch. 8 - For values of B below the knee on the...Ch. 8 - Prob. 8.29PCh. 8 - Prob. 8.30PCh. 8 - A toroid is constructed of a magnetic material...Ch. 8 - Prob. 8.32PCh. 8 - Prob. 8.33PCh. 8 - Determine the energy stored per unit length in the...Ch. 8 - Prob. 8.35PCh. 8 - Prob. 8.36PCh. 8 - A Toroid has known, reluctance R. Two windings...Ch. 8 - Prob. 8.38PCh. 8 - Conducting planes in air at Z = 0 and z = d carry...Ch. 8 - Prob. 8.40PCh. 8 - Prob. 8.41PCh. 8 - Find the mutual inductance between two filaments...Ch. 8 - Prob. 8.43PCh. 8 - Prob. 8.44PCh. 8 - Beginning with the definition, of the scalar...
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- A magnetic core with an air gap is shown below. For a relative permeability is 3500, and the space free permeability is 4TTX10-7 H/m. Find the reluctance of the left leg and the top side of the core. Ignore the gap in your calculations. 10 cm 0.1 cm gap 20 cm 5 cm 5 cm 40 cm 5 cm core depth = 10 cm Select one: O a. Rieft = 1251 A.t./Wb , Rtop = 1023 A.t/Wb O b. None O c. Rieft = 12.51 KA.t./Wb , Reop = 10.23 KA.t/Wb O d. Rieft = 125.1 A.t./Wb , Rtop = 102.3 A.t/Wbarrow_forwarda. If the material is the ideal material, N1I1 = 200, NIA = 100 and NIB = 150 If I am ampersand, what is the flux density in the middle of the air gap? okay? Calculate by drawing the magnetic circuit. b. If the material is not the ideal material (µr), the core material of each winding Find the inductance in terms of parameters c. What is mutual inductance between windings? D. Check the magnetic equivalent circuit of this system that there are no leakage fluxes. draw assuming. New magnetic with leakage fluxes in mind How about a circuit, draw?arrow_forwardA simple rotating loop in a uniform magnetic field carrying a current of i is rotating with a torque of 0.2 N.m. If the flux density is 0.7 T and cross-section area is 0.08 m², find the current i.arrow_forward
- The long linear conductor in the figure carries a current of 10A and is placed on the z-axis. A 12cm x 5cm rectangular loop carrying 2A current was placed 10 cm away from the conductor wire. Find the net magnetic force on the loop. Choose the option....arrow_forwardProblem : A current 10 ampere flows through the wire having configuration as shown in the figure. Determine magnetic field at P. Magnetic field due to current in the arrangment F E 2 m 4 m 10 A 4 m 2 marrow_forwardA magnetic pole face has a rectangular section having dimensions 200 mm by 100 mm. If the total flux emerging from the pole is 150 µWb. a) If the emerging flux of the pole is changed to 100µWb what will be the resultant density?c) When the dimensions of the magnetic pole are changed to 10m and 5m what will be the new density?d) What would happen if the magnetic pole is changed to square?arrow_forward
- A infinite cylinder of radius a carries a magnetisation vector M = M0ρaz . Find magnetic field inside and outside cylinderarrow_forward5. a) According to this figure, if it's possible to create magnetic monopoles in a spherical closed surface, then find out the amount of total magnetic flux. N N N Narrow_forwarda conductor moving with a velocity of 5.0 m/s to the right in the presence of a magnetic field. The flux density is 0.5 T into the page, and the wire is 1.0 m in length, oriented as shown. What are the magnitude resulting induced voltage?arrow_forward
- An ideal solenoid with n turns per unit length and carrying a current i has a uniform magnetic field along its long axis given by 29 - Hn!. If the radius of the solenoid is R, what is the magnetic flux through its circular cross-section? Note da=2.r dr. O A) 0 O B) T4nI R 2 Tụ,nI R? O D) 2.74,nlI R O E) T4,nIRarrow_forwardThe magnetic structure shown in the figure is built with a material whose magnetization curve is expressed by: (See image with the equation) The length of the mean magnetic path in the core is equal to 0.75 m. The measurements of the cross section are 6 × 8 cm 2. The length of the air gap is 2 mm and the flux in it is equal to 4 mWb (in the direction indicated in the Figure). Determine the number of turns in coil B. Ans: NB =1,237 turns (I need the procedure)arrow_forwardQ4. Consider the below diagram. Derive the magnetic vector potential for loop A and then Find the Mutual inductance (M AB) between the wire. lo mAmp 5 cm toop A Foop Barrow_forward
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