Quiz No.2: Introduction to Semiconductor Materials

Which of the following is a pentavalent impunity added while forming an extrinsic semiconductor ?

• Boron 

• Arsenic
• Indium
• Gallium

The characteristics of p-type semiconductors is includes

• Majority carriers are electron

• Has tendency to gain electron

• Has tendency to donor electron

• Easy to conduct electricity

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

• Doping

• Ionization

• Recombination

• Atomic modification

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

• diode

• semiconductor

• conductor

• insulator

• superconductor

These are the characteristics of Trivalent impurities except

• •3 valence electrons

• •produce p-type semiconductors

• •producing a "hole".

• Antimony, arsenic, and phosphorus are the examples

What is the most common semiconductor material used for producing integrated circuits

• Quartz

• Silicon

• Diamond

• Tantalum

Which among these is NOT a semiconductor

• Germanium

• Silicon

• Gallium Arsenide

• Titanium

What is the name of this component?

• PN junction

• LED

• silicon

• PNP

Who contribute to the current in a semiconductor

• electrons only

• holes only

• negative ions

• both electrons and holes

Best element conductors include the following EXCEPT:

• Copper

• Silver

• Gold

• Mica