Semiconductor - Mdm Wang

Materials which can conduct electricity better than insulator,but not as well as conductors. This is the definition of

• diode

• semiconductor

• conductor

• insulator

• superconductor

Which of the following impurities is added to form an N-type semiconductor?

• Boron

• Arsenic

• Indium

• Gallium

​ ​____________ is the process of adding a controlled amount of ​impurities​ to pure semiconductor to improve its ​conductivity.

____________ is the sharing of electrons with neighboring atoms to fill its outer shell with 8 electrons.

The process of adding an impurity to an intrinsic semiconductor is called

• Doping

• Ionization

• Recombination

• Atomic modification

The minority carriers in P-type silicon are called _________________

• Neutron

• Proton

• Electron

• Hole

Which of the following are trivalent impurities?

(two correct answers)

• Aluminium

• Antimony

• Phosphorous

• Gallium

The majority carriers in N-type semiconductor are _________________

• Neutrons

• Protons

• Electrons

• Holes