A semiconductor has an electron concentration of $8 × 10^{13} m^{-3}$ and hole concentration of $2 × 10^3 m^{-3}$. The semiconductor behaves as:

n-type semiconductor

The correct answer is Option (1) → n-type semiconductor

Since, the electron concentration (n) is much higher than the hole concentration (p), the semiconductor will have an access of electrons in the conduction band.

This behavior is characteristic of n-type semiconductor.