R2 R3 An image taken from the cross-sectional area of a coaxial cable consisting of a solid inner conductor of Radius R, surrounded by a concentric cylindrical tube of inner radius R2 and outer radius R, is given in the figure. The inner conductor and outer conductor (cylindrical tube) have the current density ji = Crand j, = Czr , respectively, for which r is the radial distance from the center. Each conductor carries the same total 1, in opposite directions. What is the magnitude of the magnetic field B, at a distance ri = 1 cm and B2 at a distance r2 = 8 cm ? (R = 4 cm ; R2 = 7 cm; R, = 9 cm 1, = 2 A; Ho = 4nx10-7 T.m/A. Take the sign of the current coming out from the page plane as positive). а) В, — 7.40 иТ ; В, — 7.28 иТ b) В, — 8.8 дТ %;B В, 4.89 µT %3D c) B1 = 2.56 µT; B2 = 4.93 µT d) B1 = 0.62 uT ; B2 = 2.81 µT %3D %3D e) B = 5 µT ; B2 = 4.78 µT

R2 R3 An image taken from the cross-sectional area of a coaxial cable consisting of a solid inner conductor of Radius R, surrounded by a concentric cylindrical tube of inner radius R2 and outer radius R, is given in the figure. The inner conductor and outer conductor (cylindrical tube) have the current density ji = Crand j, = Czr , respectively, for which r is the radial distance from the center. Each conductor carries the same total 1, in opposite directions. What is the magnitude of the magnetic field B, at a distance ri = 1 cm and B2 at a distance r2 = 8 cm ? (R = 4 cm ; R2 = 7 cm; R, = 9 cm 1, = 2 A; Ho = 4nx10-7 T.m/A. Take the sign of the current coming out from the page plane as positive). а) В, — 7.40 иТ ; В, — 7.28 иТ b) В, — 8.8 дТ %;B В, 4.89 µT %3D c) B1 = 2.56 µT; B2 = 4.93 µT d) B1 = 0.62 uT ; B2 = 2.81 µT %3D %3D e) B = 5 µT ; B2 = 4.78 µT

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter4: Transmission Line Parameters

Section: Chapter Questions

Problem 4.4P: One thousand circular mils or 1 kcmil is sometimes designated by the abbreviation MCM75C. Data for...

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One thousand circular mils or 1 kcmil is sometimes designated by the abbreviation MCM75C. Data for commercial bare-aluminum electrical conductors lists a 60 Hz resistance of 0.0080 ohm per kilometer at for a 793-MCM AAC conductor. Determine the cross-sectional conducting area of this conductor in square meters. Find the 60 Hz resistance of this conductor in ohms per kilometer at 50C.
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