Semiconductor Physics Quiz

What is the range of energy levels that an electron can occupy in a material?

• Valence band

• Conduction band

• Resistivity

• Forbidden band gap

Which of the following materials has a very low conductivity when a voltage is applied?

• Mica

• Copper

• Aluminum

• Silver

What type of materials support a generous flow of charge when a voltage is applied?

• Conductors

• Insulators

• Semiconductors

• Doping materials

What is the range of electron energies higher than the valence band where electrons are free to move and can contribute to the flow of charge?

• Valence band

• Conduction band

• Forbidden band gap

• Resistivity

What are the two commonly used semiconductors?

• Copper and aluminum

• Silver and gold

• Mica and quartz

• Silicon and germanium

What is the role of the forbidden band gap in determining the conductivity of a material?

• Decreases conductivity

• Increases conductivity

• Determines conductivity

• No effect on conductivity

What is the resistivity of copper compared to mica?

• Copper has higher resistivity

• Resistivity is not mentioned in the text

• Mica has higher resistivity

• Copper and mica have the same resistivity

What is the forbidden band gap in insulators compared to semiconductors?

• Larger in insulators

• Not mentioned in the text

• Larger in semiconductors

• Same in both

What is the main idea of semiconductor physics according to the text?

• Study of materials between insulators and conductors

• Study of insulators

• Study of conductors

• Study of resistivity

What is the energy band structure that defines the range of energy levels an electron can occupy?

• Forbidden band gap

• Conduction band

• Resistivity

• Valence band