What is electron mobility?

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 potential difference of 5 V is applied across a conductor of length 0.1 m. If drift velocity of electrons is 2.5 xx 10^-4 ms^-1 , calculate the electron mobility.

What is an electron ?

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 potential difference of 6 V is applied across a conductor of length 0.12 m. Calculate the drift velcoity of electrons, if the electron mobility is 5.6 xx 10^-6 m^2V^-1s^-1 .

What is an electron volt (eV)?

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 .