NEW
Font size
WorksheetsBJT and Amplifier Concepts Quiz
Total questions: 10
Worksheet time: 15mins
Which of the following is a feature of a Bipolar Junction Transistor (BJT)?
It operates only with AC signals
It has three terminals: emitter, base, and collector
It works only in Common Base (CB) configuration
It uses a single semiconductor material
In a PNP transistor, the majority charge carriers are:
Electrons
Holes
Protons
Neutrons
The relation between current gains in the Common Emitter (CE), Common Base (CB), and Common Collector (CC) configurations is given by:
β = α * γ
β = α / γ
α = β * γ
β = γ / α
Which of the following is NOT a characteristic of the common emitter (CE) configuration?
High voltage gain
High current gain
High input impedance
Inverted output
What is the purpose of the DC load line in a transistor circuit?
To show the variation of input current
To determine the range of output voltage
To represent the relation between collector current and collector-emitter voltage
To indicate the frequency response of the amplifier
The stability factor in transistor biasing is defined as:
Ratio of output voltage to input voltage
Ratio of change in collector current to change in base current
Sensitivity of the transistor's operating point to temperature variations
Ratio of base current to collector current
In an amplifier, what is the role of the transistor?
To supply power to the circuit
To amplify the input signal
To convert AC signal into DC
To provide feedback to the system
Which of the following statements is true for a single-stage RC-coupled amplifier?
It has low input impedance and high output impedance
The coupling is done through an inductor
It uses capacitive coupling to connect stages
It does not require any biasing
What is the frequency response of an amplifier?
The ability to filter frequencies
The range of frequencies the amplifier can effectively amplify
The maximum frequency that can pass through the amplifier
The amount of power consumed by the amplifier
Which biasing technique is commonly used in transistor amplifiers to maintain stability?
Voltage divider biasing
Fixed biasing
Emitter biasing
Base biasing
