Semiconductor energy band

Which material type has the largest band gap?

• Conductor

• Insulator

• Semiconductor

• Superconductor

Which material has the smallest band gap, allowing easy flow of electrons?

• Insulator

• Intrinsic semiconductor

• Conductor

• Extrinsic semiconductor

The conductivity of a semiconductor typically increases when

• The temperature decreases

• The temperature increases

• The material is pure

• Electrons are removed from the material

Which of the following is a characteristic of conductors?

• High resistance

• Low band gap

• High band gap

• Insulating properties

In which state does a semiconductor behave like a conductor?

• At absolute zero

• At high temperatures

• When exposed to light

• When cooled down

Which of the following is a common application of semiconductors?

• Insulation

• Transistors

• Superconductors

• Resistors

At what temperature do semiconductors typically exhibit superconducting properties?

• Room temperature

• Near absolute zero

• High temperatures

• At melting point