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 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 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 .

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 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 has the electration 0.45 xx 10^(20) m^(-3) and hole concentration 5 xx 10^(20) m^(-3) .Find its conductivity.Given,electron mobility = 0.135 m^2 V^(-1) s^(-1) , hole mobility = 0.048 m^2 V^(-1) s^(-1) ,e=1.6 x10^(-19) C .

A semiconductor has equal electron and hole concentration of 2 xx 10^8 m^(-3) .On doping with a certain impurity,electron concentration increases to 4xx10^(10)m^(-3) . What type of semiconductor is obtained on doping?

A semiconductor has equal electron and hole concentration 6xx10^8 m^(-3) .On doing with a certain impurity,electron concentration increases to 8xx10^(12) m^(-3) .Identify the type of semicondcutor after doping.

A semiconductor has equal electron and hole concentration of 4.2 xx 10^8 m^(-3) .On doping with a certain impurity,electron concentration increases to 6xx10^(12)m^(-3) . identify the new seiconductor obtained after doping.