How does the effective conduction band density-of-states vary with effective mass? a. b. O C. O d. N₁ ∞ (m²) ¹² ос N₁ x (m²) ¹¹² N₁ - (m²) ¹ x Ncx (m²) ³/2 N₁ x (m²) ¹ ос
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