Physics - Semiconductors Question with Solution | TestHub

What is the conductivity of a pure semiconductor sample if electron density$=\mathrm{ }5\mathrm{ }\times \mathrm{ }{10}^{12} \mathrm{c}{\mathrm{m}}^{-3}$and hole density$=\mathrm{ }8\mathrm{ }\times \mathrm{ }{10}^{13} \mathrm{c}{\mathrm{m}}^{-3}$-
(${\mathrm{\mu }}_{\mathrm{e}}\mathrm{ }=\mathrm{ }2.3\mathrm{ }{\mathrm{v}}^{–1}\mathrm{ }{\mathrm{s}}^{–1} {\mathrm{m}}^2$and${\mathrm{\mu }}_{\mathrm{h}}\mathrm{ }=\mathrm{ }0.01\mathrm{ }{\mathrm{v}}^{–1}\mathrm{ }{\mathrm{s}}^{–1}\mathrm{ }{\mathrm{m}}^2$)