R2 lo 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 R3 is given in the figure. The inner conductor and outer conductor (cylindrical tube) have the current density j, = Cr and j, = C2r , 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 r, = 2 cm and B2 at a distance r, = 7 cm ? (R, = 3 cm ; R, = 6 cm ; R3 = 8 cm ;I, = 3 A ; µo = 4nx10-7 T.m/A. Take the sign of the current coming out from the page plane as positive). а) В, — 7.40 рT ; В, 3 7.28 иT b) В, — 8.8 дT %; В, — 4.89 иT с) В, — 2.56 иТ; В, — 4.93 иТ d) В, — 0.62 pT ;B В, — 2.81иT %3D e) В, — 5 иT ; В, — 4.78 рТ

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R27
lo
R3
An image taken from the cross-sectional area of a coaxial cable consisting of a
solid inner conductor of Radius R1 surrounded by a concentric cylindrical tube of
inner radius R2 and outer radius R3 is given in the figure. The inner conductor and
outer conductor (cylindrical tube) have the current density j1 = Cr and j, = C2r
, 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 r, = 2 cm and B, at a distance r, = 7 cm ?
(R, — 3 ст; Rz —- 6 ст; R; — 8 ст :1o — 3А; и, — 4лх10-7 Т. т/A. Тake
the sign of the current coming out from the page plane as positive).
а) В, — 7.40 иТ ; В, —D 7.28 иТ b) В, — 8.8 иТ ; В, — 4.89 иT
4.89 μ
с) В, — 2.56 иТ; В, — 4.93 дТ
d) В, — 0.62 иТ; В, — 2.81 иТ
e) B1 = 5 µT ; B2 = 4.78 µT
Transcribed Image Text:R27 lo R3 An image taken from the cross-sectional area of a coaxial cable consisting of a solid inner conductor of Radius R1 surrounded by a concentric cylindrical tube of inner radius R2 and outer radius R3 is given in the figure. The inner conductor and outer conductor (cylindrical tube) have the current density j1 = Cr and j, = C2r , 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 r, = 2 cm and B, at a distance r, = 7 cm ? (R, — 3 ст; Rz —- 6 ст; R; — 8 ст :1o — 3А; и, — 4лх10-7 Т. т/A. Тake the sign of the current coming out from the page plane as positive). а) В, — 7.40 иТ ; В, —D 7.28 иТ b) В, — 8.8 иТ ; В, — 4.89 иT 4.89 μ с) В, — 2.56 иТ; В, — 4.93 дТ d) В, — 0.62 иТ; В, — 2.81 иТ e) B1 = 5 µT ; B2 = 4.78 µT
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