Transistors and Semiconductors Quiz

What is a semiconductor?

• A material that only conducts electricity

• A material that only insulates electricity

• A material that can act as both a conductor and an insulator

• A material that blocks electricity completely

Which of the following is the most common material used for semiconductors?

• Copper

• Silicon

• Aluminum

• Gold

Which process is used to improve the conductivity of a semiconductor?

• Melting

• Cooling

• Doping

• Coating

Which type of charge does an N-type semiconductor have?

• Positive

• Negative

• Neutral

• No charge

Which type of charge does a P-type semiconductor have?

• Positive

• Negative

• Neutral

• No charge

What is a transistor?

• A device that controls electrical current or voltage

• A type of battery used in small devices

• A wire used to connect circuits

• A tool for measuring electricity

Which of the following are the three main parts of a transistor?

• Anode, cathode, and gate

• Base, collector, and emitter

• Source, drain, and gate

• Positive, negative, and neutral

Which of the following is the main function of a transistor?

• To store electrical energy

• To amplify or switch electrical signals

• To produce heat in a circuit

• To detect light and motion

Which material is most commonly used to make transistors?

• Copper

• Silicon

• Aluminum

• Iron

How does a transistor act as an amplifier?

• It stores electricity for later use

• It increases a small electrical signal into a larger one

• It blocks the flow of electricity

• It converts AC to DC