engineering recuitment BHEL Engineer Trainee Mock Test 2025 Electronic Devices Carriers in Semiconductors
A semiconductor is having electron and hole concentrations of 6 × 1018/m3 and 6 × 1018/m3, respectively. The mobility for electron and hole is 2m2/vs and 0.1m2/vs. Find the conductivity of the semiconductor
1
2.016/Ωm
2
4.032/Ωm
3
7.46/Ωm
4
3.73/Ωm