Teaching Haryana (HPSC) Assistant Professor Mock Test 2025 Physical Sciences Electronics and Experimental Methods
A sample of Si has electron and hole mobilities of 0.13 and 0.05 m2 / V-s respectively at 300 K. It is doped with P and Al with doping densities of 1.5 X 1021 / m3 and 2.5 X 1021/ m3 respectively. The conductivity of the doped Si sample at 300 K is?
1
\(4 \Omega^{-1} m^{-1} \)
2
\(8 \Omega^{-1} m^{-1} \)
3
\(32 \Omega^{-1} m^{-1} \)
4
\(16 \Omega^{-1} m^{-1} \)
5
Question Not Attempted