Question: a) Briefly describe how a P-N junction is made. = b) Given that germanium at room temperature ni = 2.5 x 10/cm, un 3800

a) Briefly describe how a P-N junction is made. = b) Given

a) Briefly describe how a P-N junction is made. = b) Given that germanium at room temperature ni = 2.5 x 10/cm, un 3800 cm/V-Vs, Hp = 1800 cm/V-Vs and a number of Germanium atoms/cm = 4.4 102. Determine the resistivity of germanium: i. ii. 111. in intrinsic condition at 300 K with donor impurity of 1 in107 with acceptor impurity of 1 in 108 (4 marks) (6 marks) (4 marks)

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