FC ATT Test 5 questions and answers 2026\2027
A+ Grade
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
What component supplies the electrons for the electron beam?
- correct answer cathode
What term is used to describe screens that produce only one color?
- correct answer monochrome
The _________ coating returns the secondary electrons to the power supply.
- correct answer aquadag
A+ Grade
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
What component supplies the electrons for the electron beam?
- correct answer cathode
What term is used to describe screens that produce only one color?
- correct answer monochrome
The _________ coating returns the secondary electrons to the power supply.
- correct answer aquadag
