BJT Small Signal Mode Quiz

BJT Small Signal Mode Quiz

1st Grade

8 Qs

quiz-placeholder

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BJT Small Signal Mode Quiz

BJT Small Signal Mode Quiz

Assessment

Quiz

Physics

1st Grade

Practice Problem

Hard

Created by

monika t

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8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the BJT small signal model used for?

To analyze and design electronic circuits using field-effect transistors

To analyze and design electronic circuits using bipolar junction transistors.

To control the speed of a DC motor

To measure the temperature of a semiconductor material

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the BJT small signal model different from the large signal model?

The small signal model ignores the linear behavior of the BJT around its operating point.

The small signal model focuses on the linear behavior of the BJT around its operating point.

The small signal model is used for high power applications of the BJT.

The small signal model focuses on the digital behavior of the BJT around its operating point.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Explain the concept of hybrid-pi model in BJT.

The hybrid-pi model represents the transistor as a combination of a capacitor and an inductor.

The hybrid-pi model represents the transistor as a combination of a non-linear resistor and a voltage source.

The hybrid-pi model represents the transistor as a combination of a voltage source and a diode.

The hybrid-pi model represents the transistor as a combination of a linear resistor and a current source.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the key parameters in the hybrid-pi model?

gm, ro, Cpi

hfe, Vce, Vbe

Cmu, gm, Vce

Vbe, Vce, Ib

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the common emitter configuration in BJT?

Rare emitter

Uncommon emitter

Common emitter

Unpopular emitter

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Explain the working principle of common emitter configuration.

The working principle of common emitter configuration is that the input signal controls the current flowing through the base-emitter junction, which in turn controls the current flowing through the collector-emitter junction, resulting in amplification of the input signal.

The working principle of common emitter configuration is that the input signal controls the current flowing through the emitter-base junction, resulting in amplification of the input signal.

The working principle of common emitter configuration is that the input signal controls the voltage across the collector-emitter junction, resulting in amplification of the input signal.

The working principle of common emitter configuration is that the input signal controls the current flowing through the collector-emitter junction, resulting in amplification of the input signal.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the common base configuration in BJT?

Common base

Unpopular base

Rare base

Uncommon base

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