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FC ATT Test 5 Questions and Answers 100% Correct | New Update 2025
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FC ATT Test 5 Questions and Answers 100% Correct | New Update 2025
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FC ATT Test 5 Questions and Answers 100%Correct | New Update 2025
Transistor amplifiers require what type of signal to function? - ANSWER DC bias
and AC input signals
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
The screen grid is located between which two electrodes? - ANSWER plate and
control grid
The purpose of the screen grid is to reduce the amount of _______________ -
ANSWER inter electrode capacitance
The suppressor grid reduces the effects of? - ANSWER secondary emission
How many electrodes does a pentode have? - ANSWER 5
What electron-tube amplifier configurations provides a 180 degrees phase shift
from the input to the output? - ANSWER common cathode
What component supplies the electrons for the electron beam? - ANSWER
cathode
What term is used to describe screens that produce only one color? - ANSWER
monochrome
The _________ coating returns the secondary electrons to the power supply. -
ANSWER aquadag
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