FC ATT FINAL EXAM 2026 ACTUAL QUESTIONS AND
ANSWERS RATED A+
✔✔The ____________ amplifier output is controlled by a small input signal. -
✔✔common emitter
✔✔What type of output signal is produced by a class C common base amplifier? -
✔✔amplified and inverted
✔✔In a RC coupled transistor amplifier, what is the result of a low frequency input
signal? Stage gains ______, total gain ______, output signal _________ - ✔✔good,
low, undistorted
✔✔In a RC coupled transistor amplifier, what is the result of a high VPP input signal?
Stage gains ______, total gain ______, output signal _________ - ✔✔low, low,
distorted
✔✔What type of transistors are used in a common collector push-pull amplifier? -
✔✔one NPN and one PNP
✔✔In RC coupled amplifiers, normal operation is verified by comparing measured and
calculated: - ✔✔total current voltage gain
✔✔The transistor bias _______________ are made after the faulty stage has been
identified - ✔✔voltage measurements
✔✔The common emitter output phase is _____ degrees out of phase - ✔✔180
✔✔What class of amplifiers are biased so collector current is zero for half of the input
signal? - ✔✔class B
✔✔Transistors amplify by controlling a _______ - ✔✔large signal with a small signal
✔✔Which amplifier configuration has high input resistance and low output resistance? -
✔✔common collector
✔✔What is the relative resistance of a reverse biased collector to base PN junction? -
✔✔high
✔✔Which amplifier configuration has low input resistance and high output resistance? -
✔✔common base
ANSWERS RATED A+
✔✔The ____________ amplifier output is controlled by a small input signal. -
✔✔common emitter
✔✔What type of output signal is produced by a class C common base amplifier? -
✔✔amplified and inverted
✔✔In a RC coupled transistor amplifier, what is the result of a low frequency input
signal? Stage gains ______, total gain ______, output signal _________ - ✔✔good,
low, undistorted
✔✔In a RC coupled transistor amplifier, what is the result of a high VPP input signal?
Stage gains ______, total gain ______, output signal _________ - ✔✔low, low,
distorted
✔✔What type of transistors are used in a common collector push-pull amplifier? -
✔✔one NPN and one PNP
✔✔In RC coupled amplifiers, normal operation is verified by comparing measured and
calculated: - ✔✔total current voltage gain
✔✔The transistor bias _______________ are made after the faulty stage has been
identified - ✔✔voltage measurements
✔✔The common emitter output phase is _____ degrees out of phase - ✔✔180
✔✔What class of amplifiers are biased so collector current is zero for half of the input
signal? - ✔✔class B
✔✔Transistors amplify by controlling a _______ - ✔✔large signal with a small signal
✔✔Which amplifier configuration has high input resistance and low output resistance? -
✔✔common collector
✔✔What is the relative resistance of a reverse biased collector to base PN junction? -
✔✔high
✔✔Which amplifier configuration has low input resistance and high output resistance? -
✔✔common base
