ATT FC COMP TEST EXAM, MOST RECENT EXAM 2025/2026
ACTUAL COMPLETE REAL EXAM QUESTIONS AND CORRECT
ANSWERS (VERIFIED ANSWERS) ALREADY GRADED A+ /
NEWEST EXAM / JUST RELEASED!!
____ uses both fixed- and self-biasing. - ANSWER-Combination
biasing
Amplification of an input signal in a transistor occurs because
small changes in
____ cause large changes in ____. - ANSWER-base bias,
collector current
Class A amplifiers are biased so that the input signal occurs
____. - ANSWER-
within the limits of cutoff and
saturation
Class A amplifiers have ____ and ____. - ANSWER-high fidelity,
low efficiency
Class B amplifiers have the DC bias point ____ allowing ____
collector current
for half of the ____. - ANSWER-at cutoff, no,
input signal
,Class B amplifiers have ____ and ____ - ANSWER-medium
fidelity, medium
efficiency
Class AB amplifiers have the DC bias point ____ so collector
current flows for
____ - ANSWER-above cutoff, more than 180* but
less than 360*
Class AB amplifiers have ____ and ____. - ANSWER-medium
fidelity, medium
efficiency
Class C amplifiers have the DC bias point ____ so collector
current flows for
less than ____. - ANSWER-below
cutoff, 180*
Class C amplifiers have ____ and ____. - ANSWER-low fidelity,
high efficiency
Overdriving an amplifier ____. - ANSWER-distorts the output
signal
What are the three configurations of transistor amplifiers?
- ANSWER-1)
Common Emitter, 2) Common Collector, 3)
Common Collector
, What type of transistor amplifier is the most commonly
used? - ANSWER-
Common emitter
amplifier
What type of amplifier is used to match loads, has a high input
resistance and a
low output resistance. - ANSWER-Common
collector amplifier
What type of amplifier is used to match loads, has a low input
resistance and a
high output resistance. - ANSWER-Common
base amplifier
What is the input / output phase of a Common Emitter? -
ANSWER-180*
What is the input / output phase of a Common Collector? -
ANSWER-0*
What is the input / output phase of a Common Base? -
ANSWER-0*
What is the purpose of sine wave oscillators? - ANSWER-
They change DC
energy into AC
energy.
ACTUAL COMPLETE REAL EXAM QUESTIONS AND CORRECT
ANSWERS (VERIFIED ANSWERS) ALREADY GRADED A+ /
NEWEST EXAM / JUST RELEASED!!
____ uses both fixed- and self-biasing. - ANSWER-Combination
biasing
Amplification of an input signal in a transistor occurs because
small changes in
____ cause large changes in ____. - ANSWER-base bias,
collector current
Class A amplifiers are biased so that the input signal occurs
____. - ANSWER-
within the limits of cutoff and
saturation
Class A amplifiers have ____ and ____. - ANSWER-high fidelity,
low efficiency
Class B amplifiers have the DC bias point ____ allowing ____
collector current
for half of the ____. - ANSWER-at cutoff, no,
input signal
,Class B amplifiers have ____ and ____ - ANSWER-medium
fidelity, medium
efficiency
Class AB amplifiers have the DC bias point ____ so collector
current flows for
____ - ANSWER-above cutoff, more than 180* but
less than 360*
Class AB amplifiers have ____ and ____. - ANSWER-medium
fidelity, medium
efficiency
Class C amplifiers have the DC bias point ____ so collector
current flows for
less than ____. - ANSWER-below
cutoff, 180*
Class C amplifiers have ____ and ____. - ANSWER-low fidelity,
high efficiency
Overdriving an amplifier ____. - ANSWER-distorts the output
signal
What are the three configurations of transistor amplifiers?
- ANSWER-1)
Common Emitter, 2) Common Collector, 3)
Common Collector
, What type of transistor amplifier is the most commonly
used? - ANSWER-
Common emitter
amplifier
What type of amplifier is used to match loads, has a high input
resistance and a
low output resistance. - ANSWER-Common
collector amplifier
What type of amplifier is used to match loads, has a low input
resistance and a
high output resistance. - ANSWER-Common
base amplifier
What is the input / output phase of a Common Emitter? -
ANSWER-180*
What is the input / output phase of a Common Collector? -
ANSWER-0*
What is the input / output phase of a Common Base? -
ANSWER-0*
What is the purpose of sine wave oscillators? - ANSWER-
They change DC
energy into AC
energy.
