AET721 -Fundamentals of Analog Electronics -BJT

What does BJT stand for in electronics?

• Bipolar Junction Terminal

• Bipolar Junction Transistor

• Binary Junction Transducer

• Basic Junction Transformer

Which of the following materials is commonly used in the fabrication of BJT?

• Silicon

• Aluminium

• Copper

• Gold

What are the two main types of BJTs?

• N-type and P-type

• NPN and PNP

• Positive and Negative

• Electron and Hole

In an NPN transistor, the majority carriers are:

• Holes

• Electrons

• Protons

• Neutrons

What is the purpose of the base region in a BJT?

• To provide mechanical support

• To control the flow of current between the collector and emitter

• To increase the voltage

• To act as a heat sink

In a PNP transistor, the direction of conventional current flow is from:

• Emitter to Base

• Base to Emitter

• Collector to Base

• Base to Collector

The common emitter configuration is known for its:

• High voltage gain and low current gain

• Low voltage gain and high current gain

• High voltage gain and high current gain

• Low voltage gain and low current gain

The cut-off region of a BJT occurs when:

• The collector-base junction is forward-biased

• The base-emitter junction is reverse-biased

• The base-emitter junction is forward-biased

• The collector-base junction is reverse-biased

The term "saturation" in BJT operation refers to:

• The base-emitter junction being forward-biased

• The collector-base junction being forward-biased

• The transistor being turned off

• The transistor being turned on

What is the purpose of the coupling capacitors in an amplifier circuit?

• To block DC and pass AC signals

• To block AC and pass DC signals

• To increase the overall gain

• To provide negative feedback