Problem

A cylindrical bar of silicon has a radius of 2 mm and a length of 5 cm. If a voltage of 5...

A cylindrical bar of silicon has a radius of 2 mm and a length of 5 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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