If Si is doped with B,

The n-type semiconductor is obtained when Si is doped with

The p - type semiconductor is obtained when Si is doped with

The n-type semiconductor is obtained when Si is doped with

The n-type semiconductor is obtained when Si is doped with

If pure Si is doped with a trace amount of As, ________ semiconductor is formed.

What type of semiconductor (n- or p-type) is formed when pure Si is doped with a trace amount of B, and why?