Introduction to Electronics

How many valence electrons do semiconductors have?

Gallium is classified as what type of impurities?

The following are classified as semiconductor materials EXCEPT _____________.

• silicon

• germanium

• silver

• gallium arsenide

Which of the following is the BEST in transmission of electrical current?

• human skin

• copper wire

• silicon carbide

• water

Which of the following SI prefixes are used in electrical engineering? Check all possible answers.

• centi

• kilo

• mega

• micro

• deka