A semiconductor material has an electron concentration of 0.15 × 1020 m-3 and hole concentration of 2.5 × 1020 m-3. What is the conductivity of the substance? Electron mobility = 0.135 m2V-1s-1 and hole mobility = 0.048 m2V-1s-1.
3.412 Sm-1
2.224 Sm-1
5.312 Sm-1
4.613 Sm-1