ATT WEEK 5 COMPREHENSIVE EXAM STUDY
GUIDE 2026 FULL QUESTIONS AND ANSWERS
◍ What changes are necessary for amplification to occur? Answer:Small
change in base voltage, large change in collector current
◍ What amplifier has the best fidelity? Answer:class A
◍ What amplifier has the best efficiency? Answer:class C
◍ When an input is applied across the emitter to base PN Junction, what
is the relative resistance? Answer:low
◍ When an input is applied across the collector to base PN Junction,
What is the relative resistance? Answer:high, because it is reverse biased
◍ The purpose of a transistor is to: Answer:control signals
◍ A cutoff transistor acts like it's: Answer:open
, ◍ What type of amplifier configuration has the input applied to the
emitter and the output taken from the collector? Answer:common base
◍ To determine the faulty component in a diode limiter or clamper; use
______________ Answer:resistance measurements
◍ What happens in a transistor when the saturation point is reached?
Answer:Ic stops increasing
◍ What happens in a transistor when the base voltage reverse biases the
emitter to base PN junction? Answer:cutoff occurs
◍ _______ is the ratio of Ic/Ie Answer:Alpha
◍ The capacitor in a clamper circuit has a fast charge path when the
diode is ___________ Answer:forward biased
◍ In an operating PNP transistor, which PN junction is forward biased
and which PN junction is reversed biased? Answer:forward Emitter
Base, reverse Collector Base
◍ In a NPN transistor, the base DC bias voltage must be:
Answer:positive compared to the emitter
GUIDE 2026 FULL QUESTIONS AND ANSWERS
◍ What changes are necessary for amplification to occur? Answer:Small
change in base voltage, large change in collector current
◍ What amplifier has the best fidelity? Answer:class A
◍ What amplifier has the best efficiency? Answer:class C
◍ When an input is applied across the emitter to base PN Junction, what
is the relative resistance? Answer:low
◍ When an input is applied across the collector to base PN Junction,
What is the relative resistance? Answer:high, because it is reverse biased
◍ The purpose of a transistor is to: Answer:control signals
◍ A cutoff transistor acts like it's: Answer:open
, ◍ What type of amplifier configuration has the input applied to the
emitter and the output taken from the collector? Answer:common base
◍ To determine the faulty component in a diode limiter or clamper; use
______________ Answer:resistance measurements
◍ What happens in a transistor when the saturation point is reached?
Answer:Ic stops increasing
◍ What happens in a transistor when the base voltage reverse biases the
emitter to base PN junction? Answer:cutoff occurs
◍ _______ is the ratio of Ic/Ie Answer:Alpha
◍ The capacitor in a clamper circuit has a fast charge path when the
diode is ___________ Answer:forward biased
◍ In an operating PNP transistor, which PN junction is forward biased
and which PN junction is reversed biased? Answer:forward Emitter
Base, reverse Collector Base
◍ In a NPN transistor, the base DC bias voltage must be:
Answer:positive compared to the emitter
