2) A cylindrical shell with length L, inner radius a, outer radius b has a conductivity o, which is varying with radius as o = 0,r, (00 constant). Vo voltage is applied between inner and outer cylindrical surfaces for a long time to attain stationary current. a) Determine the electrical filed within the shell as a function of Vo, a, b and o, b) Determine the resistance between the inner and outer surfaces. Assume L>>b, V ·J = 0 y -----.
2) A cylindrical shell with length L, inner radius a, outer radius b has a conductivity o, which is varying with radius as o = 0,r, (00 constant). Vo voltage is applied between inner and outer cylindrical surfaces for a long time to attain stationary current. a) Determine the electrical filed within the shell as a function of Vo, a, b and o, b) Determine the resistance between the inner and outer surfaces. Assume L>>b, V ·J = 0 y -----.
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Transcribed Image Text:Planck's constant = 6.626×10-34 m²kg/s; Avogadro's number = 6.022×1023 mol·'; Atomic mass of copper= 64 amu;
Density of copper = 8960 kg/m³; Mean free path for electrons in copper = 4×10-8 m; Valance of copper = 1;
Mass of electron = 9.109×10-31 kg; Boltzmann constant= 1.38×10-23 J/K.
2) A cylindrical shell with length L, inner radius a, outer radius b has a conductivity o, which is varying
with radius as o = 0,r, (0 constant). Vo voltage is applied between inner and outer cylindrical surfaces
for a long time to attain stationary current. a) Determine the electrical filed within the shell as a function of
Vo, a, b and o, b) Determine the resistance between the inner and outer surfaces. Assume L>>b,V ·J = 0
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