What type of charge carriers are used in Bipolar Junction Transistors (BJTs)?

Electrons and holes

Which of the following configurations of BJT provides the highest current gain? A) Common Emitter B) Common Base C) Common Collector D) None of the above

A) Common Emitter

Riddle: I can amplify signals, but I require a base current to control a larger collector current. What am I?

Bipolar Junction Transistor (BJT)

True or False: In a PNP transistor, the emitter is more negative than the base.

False. In a PNP transistor, the emitter is more positive than the base.

The three terminals of a BJT are the emitter, collector, and ______.

Base

What is the primary function of a Bipolar Junction Transistor?

To amplify current

In which region of operation does a BJT act as an amplifier?

Active Region

Fill in the blank: The junctions in a BJT are known as the ______ junction and the BC junction.

BE

Which BJT configuration is commonly used as an impedance matcher?

Common Collector Configuration

True or False: The collector current (Ic) is always equal to the base current (Ib) multiplied by the transistor's beta (β).

True

What is the typical forward voltage drop across a silicon BJT's base-emitter junction?

Approximately 0.7V

In a common emitter configuration, the output signal is ______ to the input signal.

Inverted

Riddle: I am a transistor mode where both junctions are forward-biased. What am I?

Saturation Region

Fill in the blank: The current gain ratio of a BJT is denoted by the symbol ______.

Β

What is the main disadvantage of Bipolar Junction Transistors?

Less thermal stability

Which type of transistor configuration is typically used in RF amplifiers for high-frequency applications?

Common Base Configuration

True or False: The base terminal of a BJT is heavily doped compared to the emitter and collector.

False. The base terminal is lightly doped compared to the emitter and collector.

What type of biasing allows for stable operation of a BJT against variations in temperature and β?

Collector-Feedback Bias

In a BJT, the BE junction must be ______ biased for the transistor to conduct.

Forward

The output characteristics of a BJT are plotted against which two parameters?

Collector current (Ic) and Collector-emitter voltage (Vce)

Riddle: I can amplify signals but generate heat due to continuous conduction. What am I?

Class A Amplifier

Fill in the blank: The configuration where the emitter terminal is common to both input and output is called ______.

Common Collector Configuration