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(a) Show that the resistivity of intrinsic germanium at 300 °K is 0.45 Q.m if -3 = 2.5×10¹9 m3, n = 0.38 m²/V.s, p = 0.18 m²/V.s.

(a) Show that the resistivity of intrinsic germanium at 300 °K is 0.45 Q.m if -3 = 2.5×10¹9 m3, n = 0.38 m²/V.s, p = 0.18 m²/V.s.

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(a) Show that the resistivity of intrinsic germanium at 300 °K is 0.45 2.m if n₁ = 2.5×10¹⁹ m²³, n = 0.38 m²/V.s, p = 0.18 m²/v.s. -3 (b) If a donor-type impurity added to the extent of 1 atom per 108 germanium atoms, prove that the resistivity drops to 0.037 2.m. Density = 5.32x10³ Kg/m³, atomic weight 72.6.
Transcribed Image Text:(a) Show that the resistivity of intrinsic germanium at 300 °K is 0.45 2.m if n₁ = 2.5×10¹⁹ m²³, n = 0.38 m²/V.s, p = 0.18 m²/v.s. -3 (b) If a donor-type impurity added to the extent of 1 atom per 108 germanium atoms, prove that the resistivity drops to 0.037 2.m. Density = 5.32x10³ Kg/m³, atomic weight 72.6.
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