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Mechanism of Carrier Conduction

Mobilities of...

Question

Mobilities of electrons and holes in a sample of intrinsic germanium semiconductor
at room temperature are 0.36m²/volt-sec and 0.17 m²/volt-sec respectively. If the electron and hole densities are each equal to 2.5 X 10¹⁹/m³, the conductivity is.

A

4.12 S/m

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B

2.12 S/m

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C

1.22 S/m

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D

3.12 S/m

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Solution

The correct option is B
2.12 S/m

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