ATT Test
ATT Test 2 Actual Exam Complete Questions with Correct
Answers (Verified Answers) Already Graded A+2025
Which element in a translate is used to produce a large number of current carriers? -
Correct Answer ✔Emitter
An open is the primary of a transformer causes no output voltage because
_______________. -Correct Answer ✔The open prevents magnetic fields from
developing
The most common faults found in transformers are ____________. -Correct Answer
✔Shorts and opens
Which element in a transmitter is used to pass most of the current carriers? -Correct
Answer ✔Base
In an NRN transistor, the base DC bias voltage must be _______. -Correct Answer
✔Positive compared to the emitter
Which amplifier has the best efficiency? -Correct Answer ✔Class C
Electrolytic capacitors are ____________. -Correct Answer ✔Polarized
What are the dielectric types used by capacitors? -Correct Answer ✔Electrolytic,
ceramic, and film
When an input is applied across the emitter to base PN junction, what is the relative
resistance? -Correct Answer ✔Low
When an input is applied across the collector to base PN junction, what is the relative
resistance? -Correct Answer ✔High
Alpha is the ratio of ________________. -Correct Answer ✔Ic to Ie (Ic/Ie)
The point when Ic no longer increases although base bias voltage increases is called? -
Correct Answer ✔Saturation
The point where Ib and Ic stop is called? -Correct Answer ✔Cutoff
What happens in a transistor when the saturation point is reached? -Correct Answer ✔Ic
stops increasing
1|Page
, ATT Test
Capacitors are identified by their _______________. -Correct Answer ✔The type of
dielectric used
What happens in a transistor when base voltage reverse biases the emitter to base PN
junction? -Correct Answer ✔Cutoff occurs
The purpose of an _____________ is to increase signal strength. -Correct Answer
✔Amplifier
Transistor amplifiers require what type of signals to functions? -Correct Answer ✔DC
bias and AC input signals
What amplifiers are biased so the input signal occurs within the limits of cutoff and
saturation? -Correct Answer ✔Class A
What changes are necessary for amplification to occur? -Correct Answer ✔Small
change in Eb and large change in Ic
What amplifiers are biased so collector current is zero for half, (one alteration) of the
input signal? -Correct Answer ✔Class B
What amplifiers are biased so that collector current is zero for a portion of one
alteration? -Correct Answer ✔Class AB
What amplifiers are biased so that collector current is zero for most of the input cycle? -
Correct Answer ✔Class C
___________ an amplifier distorts the output signal. -Correct Answer ✔Overdriving
Which amplifier has best fidelity? -Correct Answer ✔Class A
In which direction do holes appear to move? -Correct Answer ✔Opposite of electrons
Which quantity cannot be measured directly or derived using an oscilloscope? -Correct
Answer ✔Resistance
What value of AC voltage does an oscilloscope directly measure? -Correct Answer
✔Peak to peak
What are oscilloscopes used to measure? -Correct Answer ✔-Wave shape
-Amplitude
-Period
2|Page
ATT Test 2 Actual Exam Complete Questions with Correct
Answers (Verified Answers) Already Graded A+2025
Which element in a translate is used to produce a large number of current carriers? -
Correct Answer ✔Emitter
An open is the primary of a transformer causes no output voltage because
_______________. -Correct Answer ✔The open prevents magnetic fields from
developing
The most common faults found in transformers are ____________. -Correct Answer
✔Shorts and opens
Which element in a transmitter is used to pass most of the current carriers? -Correct
Answer ✔Base
In an NRN transistor, the base DC bias voltage must be _______. -Correct Answer
✔Positive compared to the emitter
Which amplifier has the best efficiency? -Correct Answer ✔Class C
Electrolytic capacitors are ____________. -Correct Answer ✔Polarized
What are the dielectric types used by capacitors? -Correct Answer ✔Electrolytic,
ceramic, and film
When an input is applied across the emitter to base PN junction, what is the relative
resistance? -Correct Answer ✔Low
When an input is applied across the collector to base PN junction, what is the relative
resistance? -Correct Answer ✔High
Alpha is the ratio of ________________. -Correct Answer ✔Ic to Ie (Ic/Ie)
The point when Ic no longer increases although base bias voltage increases is called? -
Correct Answer ✔Saturation
The point where Ib and Ic stop is called? -Correct Answer ✔Cutoff
What happens in a transistor when the saturation point is reached? -Correct Answer ✔Ic
stops increasing
1|Page
, ATT Test
Capacitors are identified by their _______________. -Correct Answer ✔The type of
dielectric used
What happens in a transistor when base voltage reverse biases the emitter to base PN
junction? -Correct Answer ✔Cutoff occurs
The purpose of an _____________ is to increase signal strength. -Correct Answer
✔Amplifier
Transistor amplifiers require what type of signals to functions? -Correct Answer ✔DC
bias and AC input signals
What amplifiers are biased so the input signal occurs within the limits of cutoff and
saturation? -Correct Answer ✔Class A
What changes are necessary for amplification to occur? -Correct Answer ✔Small
change in Eb and large change in Ic
What amplifiers are biased so collector current is zero for half, (one alteration) of the
input signal? -Correct Answer ✔Class B
What amplifiers are biased so that collector current is zero for a portion of one
alteration? -Correct Answer ✔Class AB
What amplifiers are biased so that collector current is zero for most of the input cycle? -
Correct Answer ✔Class C
___________ an amplifier distorts the output signal. -Correct Answer ✔Overdriving
Which amplifier has best fidelity? -Correct Answer ✔Class A
In which direction do holes appear to move? -Correct Answer ✔Opposite of electrons
Which quantity cannot be measured directly or derived using an oscilloscope? -Correct
Answer ✔Resistance
What value of AC voltage does an oscilloscope directly measure? -Correct Answer
✔Peak to peak
What are oscilloscopes used to measure? -Correct Answer ✔-Wave shape
-Amplitude
-Period
2|Page
