Transistor

Which of the following statements is true regarding transistors?

• Transistors are passive electronic components

• B) Transistors have only two layers of semiconductor material

• NPN and PNP are the two main types of transistors.

• Transistors can only be used as amplifiers and not as switches.

What is the basic function of a transistor?

• Store electrical charge

• Amplify electrical signals

• Generate electrical power

• Convert mechanical energy to electrical energy

Which of the following is a semiconductor material commonly used in transistors?

• Copper

• Aluminum

• Silicon

• Gold

in a bipolar junction transistor (BJT), what are the three layers called?

• Emitter, Base, Collector

• Source, Gate, Drain

• Cathode, Anode, Gate

• P, N, P

What are the two main types of bipolar junction transistors (BJTs)?

• NPN and PNP

• N-type and P-type

• Positive and Negative

• Emitter and Collector

---type of transistor is commonly used in audio amplifiers

Which terminal of a transistor is responsible for controlling the flow of current between the other two terminals?

• Emitter B) Collector

• Collector

• Base

• Drain

What is the primary advantage of MOSFETs over BJTs?

• Higher speed

• Lower cost

• Smaller size

• Lower power consumption

What is the purpose of biasing in transistor circuits?

• To amplify signals

• To provide a stable operating point

• To reduce power consumption

• To increase speed

What is the symbol for an NPN transistor in a circuit diagram?

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