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 8.36P
To determine
The magnetic energy stored per unit length in the region,
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2) With respect to the diagram shown below develop an equation for magnetic field intensity of a current carrying
straight conductor extending from point A to point B, consider dl=dzaz in this case.
В
dL
I
R
P
>X-y
H into page
An infinitely long straight conductor with a circular cross section of radius b carries a steady current I. Let I=3 A, b=2 cm. Calculate magnetic flux density outside the conductor at a distance of r=5 cm .(Use Amper’s Circuital Law)
Lütfen birini seçin:
a. 2.4x10-5 T
b. 1.2x10-5 T
c. 5.5x10-5 T
d. 4.8x10-5 T
e. 6.9x10-5 T
3.
A two straight parallel conductors of 2 m length separated by 10 cm, each carries current of 14 A
in the same direction. Find the force on each of the conductors.
a.
b.
An idle solenoid with 100 turns and length of 40 cm has cross section of 7 cm?. Obtain:
i. Inductance.
ii. Energy Density when the current through the solenoid is 10 A.
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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- 5) • Explain what happens when a long straight conductor is moved through a uniform magnetic field at constant velocity. Assume that the conductor moves perpendicularly to the field. If the ends of the conductor are connected through an ammeter, what will happen? • A conductor, 0.6 m long, is carrying a current of 75 A and is placed at right angles to a magnetic field of uniform flux density. Calculate the value of the magnetic flux density if the mechanical force on the conductor is 30 N.arrow_forward. Consider two wires of length 1m carrying currents i1 = 2A and i2 = 4A with directionindicated in the following figure. So answer what is asked.(a) What is the resultant magnetic field strength at point P in the figure?(b) Determine the distance d for the current cable i1 from a point Q where the field strengthresulting magnetic field is zero.(c) What would happen to the magnetic field strength if the current i1 were 4A?arrow_forward2) With respect to the diagram shown below develop an equation for magnetic field intensity of a currect carrying straight conductor extending from point A to point B, consider dl=dzaz in this case В dL R >X-y H into pagearrow_forward
- When current flows in a conductor, lines of magnetic force: Select one: circle the conductor. try to rotate the conductor on its axis. are set up parallel to the conductor. . act on the conductor to orient it north-southarrow_forward2. A long coaxial cable consists of a cylinder with radii a and b (aarrow_forwardStyles Q35. An infinitely long conductor is bent into an L shape as shown in Figure. If a direct current of 5 A flows in the conductor, the magnetic field intensity (H) at (2, 2, 0): -0.6792az -0.54336az -0.4075az -0.27168az Q36. the magnetic field intensity (H) at (0, - 2, 0) for Q35 0.159az O 0.1989 az O 0.07956az 0.11934az Q37. A circular conducting loop of radius 8m, centered at origin in the plane z 0 carries a current of 4 A in ao 2az A/m direction, what will be the magnetic field intensity at the origin az A/m O 0.25az A/m 0.5az A/m 自 glish (U.S.)arrow_forwardThe diameter of cylindrical conductor A is 6mm, and its length is 2m. The diameter and length of cylindrical conductor B is 0.02. Determine resistance of conductor A, its temperature being the same as that of B.arrow_forwardQ3) An infinitely long conductor is bent into an L shape as shown in Figure below. If a direct current of 5 A flows in the current, find the magnetic field intensity at (2, 2, 0). 5 Aarrow_forward8. An iron ring has a mean circumferential length of 40 cm and a cross sectional area o 1 cm2. It is wound uniformly with 500 turns of wire. Measurements made with a search coil around the ring show that flux in the ring is 6Wb. If the relative permeability of the core is known to be 65, determine the current flowing in the windings.arrow_forwardA conductor t long moves at right angles to a uniform magnetic field. Find the voltage induced in the conductor if the entire con- ductor cuts the flux. The flux density is 10,000 lines per sq in., and the speed of the conductor is 12 ft per sec. 2.1arrow_forward4. A conductor 10 in long moves across a uniform magnetic field at a velocity of 120 cm/sec with its axis making 650 with the direction of the magnetic field. If a voltage of 120 V appears across the conductor. Determine the magnetic induction of the conductor. 5. A resistance of 120 ohms is supplied by a 220 V, 60 Hz source. Determine the equation of voltage and current in the circuit.arrow_forwardSuppose conducting current is flowing inside a conductor in z- direction. Suppose the equation of the rotating magnetic field(very) near the conductor can be expressed as a function of space (x,y,z)..arrow_forwardarrow_back_iosSEE MORE QUESTIONSarrow_forward_ios
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