liyana

Which statement best describes an extrinsic semiconductor?

• A) It contains only one type of carrier (electrons or holes).

• B) It is formed by adding impurities to an intrinsic semiconductor.

• C) It has no free carriers at absolute zero.

• D) It does not conduct electricity.

In an extrinsic semiconductor, doping is done to:

• Decrease conductivity

• Decrease energy band gap

• increase conductivity

• none of the above

impurities are also known as

in an intrinsic semiconductor, the number of electrons is equal to the number of:

An intrinsic semiconductor, at the absolute zero temperature, behaves like which one of the following?

• insulator

• Superconductor

• n-type semiconductor

• p-type semiconductor

Which type of semiconductor is produced by adding impurities to an intrinsic semiconductor?