In an $n$-type semiconductor, electrons are majority charge carriers and holes are minority charge carriers. The charge of an $n$-type semiconductor is

$A$ hole in a $P-$type semiconductor is

An $n$-type and a $p$-type silicon semiconductor can be obtained by doping pure silicon with

What will be the conductivity of a pure silicon crystal at $300 \ K$ temperature,if the electron-hole pairs per $cm^3$ is $1.072 \times 10^{10}$ at this temperature,$\mu_e = 1350 \ cm^2/V \cdot s$ and $\mu_h = 480 \ cm^2/V \cdot s$?

In a $P-$type semiconductor,

Which of the statements given is true for a $p$-type semiconductor?