Quiz on Semiconductor Classification and Properties

What are materials classified based on?

• Color

• Electrical conductivity

• Size

• Weight

Which of the following is an example of a conductor?

• Rubber

• Copper (Cu)

• Silicon (Si)

• Glass

What type of semiconductor is Silicon (Si)?

• Polymeric

• Organic

• Compound

• Elemental

Which of the following has very low conductivity?

• Copper

• Silicon

• Glass

• Germanium

What is the primary characteristic of insulators?

• High conductivity

• Intermediate conductivity

• Presence of free electrons

• Absence of free charge carriers

What is the energy difference between the conduction band and the valence band called?

• Energy Gap

• Conductivity

• Band Width

• Charge Carrier

Which material has no band gap?

• Alloys

• Conductors

• Semiconductors

• Insulators

What happens to electrons in semiconductors at absolute zero?

• They flow freely

• They are bound to atoms

• They are absent

• They conduct electricity

Which of the following is a compound semiconductor?

• Copper (Cu)

• Gallium Arsenide (GaAs)

• Silicon (Si)

• Germanium (Ge)

What is the behavior of semiconductors with temperature changes?

• No effect

• Increased conductivity

• Decreased conductivity

• Constant conductivity