Silicon is doped with arsenic (concentration 1020 atoms.m-3). At room temperature, the electron and hole mobilities in Si are 0.14 m2.v-1.s-1 and 0.05 m2v-1.s-1 respectively. The conductivity in (Ωm)-1, at room temperature for Si doped with As is
A. 0.11
B. 0.96
C. 2.24
D. 2.72
Answer: Option C
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