ATT Test 5 Exam 2025 Questions and
Answers
Transistor amplifiers require what type of signal to function? - ANS DC bias and AC input
signals
What changes are necessary for amplification to occur? - ANS small change in Eb, large
change in Ic
What amplifier has the best fidelity? - ANS class A
What amplifier has the best efficiency? - ANS class C
When an input is applied across the emitter to base PN Junction, what is the relative
resistance? - ANS low
When an input is applied across the collector to base PN Junction, What is the relative
resistance? - ANS high
The purpose of a transistor is to: - ANS control signals
What type of amplifier configuration has the input applied to the emitter and the output taken
from the collector? - ANS common base
Pg. 1 Copyright © 2025 Jasonmcconell. ALL RIGHTS RESERVED.
, To determine the faulty component in a diode limiter or clamper; use ______________ -
ANS resistance measurements
What is the relative resistance of a reverse biased collector to base PN junction? - ANS high
Which amplifier configuration has low input resistance and high output resistance? -
ANS common base
What type of amplifier configuration has the input applied to the base and the output taken
from the emitter? - ANS common collector
How many electrodes does a pentode have? - ANS 5
To determine if a diode limiter or clamper circuit is operating normally, you use _______ -
ANS waveform measurements
When the diode is forward biased. - ANS When does limiting action occurs in a parallel
limiter?
The capacitor in a clamper circuit has a fast charge path when diode is _____ - ANS Forward
bias
To determine faulty component in a diode limiter or clamper circuit, you use ____. -
ANS Resistance measurement
What happens in a transistor when the saturation point is reached? - ANS Collector current
(Ic) stops increasing
What happens in a transistor when the saturation point is reached? - ANS Ic stops increasing
Pg. 2 Copyright © 2025 Jasonmcconell. ALL RIGHTS RESERVED.
Answers
Transistor amplifiers require what type of signal to function? - ANS DC bias and AC input
signals
What changes are necessary for amplification to occur? - ANS small change in Eb, large
change in Ic
What amplifier has the best fidelity? - ANS class A
What amplifier has the best efficiency? - ANS class C
When an input is applied across the emitter to base PN Junction, what is the relative
resistance? - ANS low
When an input is applied across the collector to base PN Junction, What is the relative
resistance? - ANS high
The purpose of a transistor is to: - ANS control signals
What type of amplifier configuration has the input applied to the emitter and the output taken
from the collector? - ANS common base
Pg. 1 Copyright © 2025 Jasonmcconell. ALL RIGHTS RESERVED.
, To determine the faulty component in a diode limiter or clamper; use ______________ -
ANS resistance measurements
What is the relative resistance of a reverse biased collector to base PN junction? - ANS high
Which amplifier configuration has low input resistance and high output resistance? -
ANS common base
What type of amplifier configuration has the input applied to the base and the output taken
from the emitter? - ANS common collector
How many electrodes does a pentode have? - ANS 5
To determine if a diode limiter or clamper circuit is operating normally, you use _______ -
ANS waveform measurements
When the diode is forward biased. - ANS When does limiting action occurs in a parallel
limiter?
The capacitor in a clamper circuit has a fast charge path when diode is _____ - ANS Forward
bias
To determine faulty component in a diode limiter or clamper circuit, you use ____. -
ANS Resistance measurement
What happens in a transistor when the saturation point is reached? - ANS Collector current
(Ic) stops increasing
What happens in a transistor when the saturation point is reached? - ANS Ic stops increasing
Pg. 2 Copyright © 2025 Jasonmcconell. ALL RIGHTS RESERVED.
