In a semiconductor, the concentration of electrons is `8xx10^13cm` and that of holes is `5xx10^12cm^-3`. Is it p-type or n-type semiconductor?

In a sample of semi conductor mobilities of electrons and holes are 24 xx 10^3 cm^2 V^-1 S^-1 and 0.2 xx 10^3 cm^2 V^-1 S^-1 respectively. If the density of electrons is 0.8 xx 10^14 cm^-3 and that of holes is 0.4 xx 10^14 cm^-3. Find the nature of semi-conductor and its conductivity.

A semiconductor has electron concentration of 8 xx 10^-13 cm^-3 and hole concentration of 4 xx 10^-12 cm^-3 . Is the semiconductor p-type or n-type ?

A semiconductor has electron concentration of 4xx10^12 cm^-3 and hole concentration of 7xx10^-3 cm^-3 . Is the semiconductor n-type or p-type ?

A semiconductor has electron concentration of 8 xx 10^8 m^(-3) . and hole concentration 4xx10^(10)m^(-3) .Is this semiconductor p-type or n-type?

A semiconductor has electron mobility as 2.2 xx 10^4 cm^2V^-1S^-1 andhole mobility as 1.5 xx 10^2 cm^2 V^-1S^-1 . If the electron concentration in this semiconductor is 40 xx 10^12 cm^-3 and hole concentration as 7 xx 10^14 cm^-3 . Find the type of semiconductor and its conductivity.

A semiconductor is known to have an electron concentration of 8 xx 10^(13) cm^(-3) and a hole concentration of 5 xx 10^(12) cm^(-3) . Is the semiconductor n type or p-type?

A semiconductor has electron concentration of 4xx10^12 cm^-3 and hole concentration of 7xx10^-3 cm^-3 . Calculate conductivity of the semicouductor if electron mobility = 22000 cm^2V^-1 s^-1 and hole mobility = 150cm^2V^-1s^-1 .

A semiconductor has electron concentration of 8 xx 10^-13 cm^-3 and hole concentration of 4 xx 10^-12 cm^-3 .Calculate conductivity of the sample if electron mobility = 24000 cm^2V^-1 s^-1 and hole mobility = 200 cm^2 V^-1 s^--1 and e = 1.6 xx 10^-19C .