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Asked: July 4, 2020In:

For an intrinsic semiconductor, the room temperature electrical conductivity is 10-6 Ω-1m-1. If the electron and hole mobilities are 0.75 and 0.06 m2V-1s-1 respectively, the intrinsic carrier concentration (per m3) at room temperature is: (A) 1 × 1012  (B) 7 ×1012  ...Read more

For an intrinsic semiconductor, the room temperature electrical conductivity is 10-6 Ω-1m-1. If the electron and hole mobilities are 0.75 and 0.06 m2V-1s-1 respectively, the intrinsic carrier concentration (per m3) at room temperature is:

(A) 1 × 1012  (B) 7 ×1012  (C) 3 ×1012 (D) 1.1 ×1014

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Askmemetallurgy Official
Asked: April 11, 2020In:

Poll Results

0%(A) Column 1
50%(B) Column 2 ( 3 voters )
50%(C) Column 3 ( 3 voters )
0%(D) Column 4
Based On 6 Votes

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GATE MT 2016 Q.45 A simplified energy band-diagram of an intrinsic semiconductor at thermal equilibrium (300 K) is shown. In the accompanying table, which one of the four columns correctly represents the listed parameters? Assume same effective mass for electrons and holes.