The intrinsic carrier density at 300 K is 1.5 x 107 cm³, in silicon. For n-type silicon doped to 2.25 × 1015 atoms/cm³, the equilibrium electron and hole densities are (a) n = 1.5 x 10¹5/cm³, p = 1.5 x 10¹0/cm³ (b) n = 1.5 x 10¹0/cm³, p= 2.25 x 10¹5/cm³ (c) n = 2.25 x 10¹5/cm³, p= 1.0 x 105/cm³ (d) n = 1.5 x 10¹0/cm³, p= 1.5 x 10¹0/cm³

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The intrinsic carrier density at 300 K is 1.5 x 10¹0/
cm³, in silicon. For n-type silicon doped to 2.25 x
10¹5 atoms/cm³, the equilibrium electron and
hole densities are
(a) n = 1.5 x 10¹5/cm³, p = 1.5 x 10¹⁰/cm³
(b) n = 1.5x 10¹0/cm³, p = 2.25 x 10¹5/cm³
(c) n = 2.25 x 10¹5/cm³, p = 1.0 x 105/cm³
(d) n = 1.5 x 10¹0/cm³, p = 1.5 x 10¹0/cm³
Transcribed Image Text:The intrinsic carrier density at 300 K is 1.5 x 10¹0/ cm³, in silicon. For n-type silicon doped to 2.25 x 10¹5 atoms/cm³, the equilibrium electron and hole densities are (a) n = 1.5 x 10¹5/cm³, p = 1.5 x 10¹⁰/cm³ (b) n = 1.5x 10¹0/cm³, p = 2.25 x 10¹5/cm³ (c) n = 2.25 x 10¹5/cm³, p = 1.0 x 105/cm³ (d) n = 1.5 x 10¹0/cm³, p = 1.5 x 10¹0/cm³
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