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 rod of semiconducting material of length L = 9 m and cross-sectional area A =2,5 mm2 lies along the x-axis between x = 0x2whereL2and a = L. The material obeys Ohm's law, and its resistivity varies along the rod according to p = PoPo = 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.

Subpart (a): Let's assume an infinitesimal length element dx at a distance x from the end of the rod…

Answered: a) What is the electrical potential, in…

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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?