FC ATT TEST 5 QUESTIONS WITH ELABORATED ANSWERS

FC ATT TEST 5 QUESTIONS WITH
ELABORATED ANSWERS

, Transistor amplifiers require what type of signal to function? - ANSWERSDC bias and
AC input signals

What changes are necessary for amplification to occur? - ANSWERSSmall change in
base voltage, large change in collector current

What amplifier has the best fidelity? - ANSWERSclass A

What amplifier has the best efficiency? - ANSWERSclass C

When an input is applied across the emitter to base PN Junction, what is the relative
resistance? - ANSWERSlow

When an input is applied across the collector to base PN Junction, What is the relative
resistance? - ANSWERShigh, because it is reverse biased

The purpose of a transistor is to: - ANSWERScontrol signals

A cutoff transistor acts like it's: - ANSWERSopen

What type of amplifier configuration has the input applied to the emitter and the output
taken from the collector? - ANSWERScommon base

To determine the faulty component in a diode limiter or clamper; use ______________ -
ANSWERSresistance measurements

The screen grid is located between which two electrodes? - ANSWERSplate and control
grid

The purpose of the screen grid is to reduce the amount of _______________ -
ANSWERSinter electrode capacitance

The suppressor grid reduces the effects of? - ANSWERSsecondary emission

How many electrodes does a pentode have? - ANSWERS5

What electron-tube amplifier configurations provides a 180 degrees phase shift from the
input to the output? - ANSWERScommon cathode

What component supplies the electrons for the electron beam? - ANSWERScathode