a) What is the electrical potential, in units of Volt, in the rod at x=L/2 ? b) What is the electric-field magnitude E, in units of V/m, in the rod at x=L/2?
a) What is the electrical potential, in units of Volt, in the rod at x=L/2 ? b) What is the electric-field magnitude E, in units of V/m, in the rod at x=L/2?
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a) What is the electrical potential, in units of Volt, in the rod at x=L/2 ?
b) What is the electric-field magnitude E, in units of V/m, in the rod at x=L/2?
Transcribed Image Text:A rod of semiconducting material of length L = 9 m and cross-sectional area A =
2,5 mm2 lies along the x-axis between x = 0
x2
where
L2
and a = L. The material obeys Ohm's law, and its resistivity varies along the rod according to p = Po
Po = 2 x 104N. m. The end of the rod at x = 0 is at a potential Vo
= 25 V greater than the end at x = L.
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