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  4. Chapter 26 Semiconductors
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Answers to Chapter 26 problems

 

26.2.1   (i)   1.00 × 10−86       (ii)   1.74 × 10−14

26.3.1   (i)  2.9 Ã— 10−10   (ii)  1.9 Ã— 10−2;      0.69

26.3.2   4.27 Ã— 10−8 g

26.3.3   0.025 eV

26.3.4   (a)  0.737 eV     (b)   3.87 × 10−7

26.3.5   (a)   3.68 ×10−9;    2.38 ×10−6;   6.07 ×10−5

             (b)   3.68 ×10−9;    2.38 ×10−6;   6.07 ×10−5

 

26.3.6   0.015me

26.6.1 

 (a)  

 VI/AR/ohm
Forward 0.1 0.051 1.95
  0.2 2.73 0.073
  0.3 143 0.0021
Reverse −0.2 −0.98 × 10−3 102
  −0.2 −1.0 × 10−3 200
  −0.3 −1.0 × 10−3 300

(b)  0.087 V

 

26.6.2   7.0 × 10−9 A

26.6.3   5.7 × 108 ohm

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