Repeat Problem for a bar of germanium with µe = 0.4 (m2/V · s), µh = 0.2 (m2/V · s), and Ne = Nh = 2.4 × 1019 elections or holes/m3
Problem
A cylindrical bar of silicon has a radius of 4 mm and a length of 8 cm. If a voltage of 5 V is applied between the ends of the bar and µe = 0.13 (m2/V · s), µh = 0.05 (m2/V · s), Ne = 1.5 × 1016 electrons/m3, and Nh = Ne, find the following:
(a) The conductivity of silicon.
(b) The current I flowing in the bar.
(c) The drift velocities ue and uh.
(d) The resistance of the bar.
(e) The power dissipated in the bar.
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