ATT Test
FC ATT Test 5 Actual Exam Complete Questions with
Correct Answers (Verified Answers) Already Graded
A+2025
Transistor amplifiers require what type of signal to function? -Correct Answer ✔DC bias
and AC input signals
What changes are necessary for amplification to occur? -Correct Answer ✔Small
change in base voltage, large change in collector current
What amplifier has the best fidelity? -Correct Answer ✔class A
What amplifier has the best efficiency? -Correct Answer ✔class C
When an input is applied across the emitter to base PN Junction, what is the relative
resistance? -Correct Answer ✔low
When an input is applied across the collector to base PN Junction, What is the relative
resistance? -Correct Answer ✔high, because it is reverse biased
The purpose of a transistor is to: -Correct Answer ✔control signals
A cutoff transistor acts like it's: -Correct Answer ✔open
What type of amplifier configuration has the input applied to the emitter and the output
taken from the collector? -Correct Answer ✔common base
To determine the faulty component in a diode limiter or clamper; use ______________ -
Correct Answer ✔resistance measurements
The screen grid is located between which two electrodes? -Correct Answer ✔plate and
control grid
The purpose of the screen grid is to reduce the amount of _______________ -Correct
Answer ✔inter electrode capacitance
The suppressor grid reduces the effects of? -Correct Answer ✔secondary emission
How many electrodes does a pentode have? -Correct Answer ✔5
What electron-tube amplifier configurations provides a 180 degrees phase shift from the
input to the output? -Correct Answer ✔common cathode
1|Page
FC ATT Test 5 Actual Exam Complete Questions with
Correct Answers (Verified Answers) Already Graded
A+2025
Transistor amplifiers require what type of signal to function? -Correct Answer ✔DC bias
and AC input signals
What changes are necessary for amplification to occur? -Correct Answer ✔Small
change in base voltage, large change in collector current
What amplifier has the best fidelity? -Correct Answer ✔class A
What amplifier has the best efficiency? -Correct Answer ✔class C
When an input is applied across the emitter to base PN Junction, what is the relative
resistance? -Correct Answer ✔low
When an input is applied across the collector to base PN Junction, What is the relative
resistance? -Correct Answer ✔high, because it is reverse biased
The purpose of a transistor is to: -Correct Answer ✔control signals
A cutoff transistor acts like it's: -Correct Answer ✔open
What type of amplifier configuration has the input applied to the emitter and the output
taken from the collector? -Correct Answer ✔common base
To determine the faulty component in a diode limiter or clamper; use ______________ -
Correct Answer ✔resistance measurements
The screen grid is located between which two electrodes? -Correct Answer ✔plate and
control grid
The purpose of the screen grid is to reduce the amount of _______________ -Correct
Answer ✔inter electrode capacitance
The suppressor grid reduces the effects of? -Correct Answer ✔secondary emission
How many electrodes does a pentode have? -Correct Answer ✔5
What electron-tube amplifier configurations provides a 180 degrees phase shift from the
input to the output? -Correct Answer ✔common cathode
1|Page
