What is the conductivity of a semiconductor if electron density = $5 × 10^{12}/cm^3$ and hole density = $8 × 10^{13}/cm^3$?
($μ_e = 2.3 V^{–1}s^{–1}m^2$ and $μ_h = 0.01 V^{–1}s^{–1}m^2$)
Answer & explanation
Correct answer: option 2
$σ = e (n_eμ_e + n_hμ_h)$