ATT TEST 8 EXAM LATEST 2024 ACTUAL EXAM 200
QUESTIONS AND CORRECT DETAILED ANSWERS WITH
RATIONALES (VERIFIED ANSWERS) |ALREADY GRADED A
What does a regulator do in a power supply? - answer-maintains the output voltage at a constant level
despite changes in load current
What does a regulator do in a power supply? - answer-maintains the output voltage at a constant level
despite changes in load current
What does the protection circuit do in power supply? - answer-Prevents damage to power supply if load
becomes faulty, limits or disables output
What does the protection circuit do in power supply? - answer-Prevents damage to power supply if load
becomes faulty, limits or disables output
The half wave rectifier is the same as what circuit? - answer-Series limiter
Which rectifier is the least efficient using only half the input? - answer-Half-wave
Which two rectifiers require two input signals 180 degrees out of phase? - answer-Full-wave and bridge
Which two rectifiers require two input signals 180 degrees out of phase? - answer-Full-wave and bridge
Which rectifier uses a center tapped transformer? - answer-Full wave
Which rectifier uses a center tapped transformer? - answer-Full wave
How is frequency determined for half wave rectifier? - answer-Output frequency is same as input
frequency
,How is frequency determined for half wave rectifier? - answer-Output frequency is same as input
frequency
How is frequency determined for full wave rectifier? - answer-Output is twice the input frequency
How is frequency determined for full wave rectifier? - answer-Output is twice the input frequency
How is frequency determined for bridge rectifier? - answer-Output is twice the input frequency
How is frequency determined for bridge rectifier? - answer-Output is twice the input frequency
What is the purpose of series voltage regulators? - answer-To adjust voltage drop to maintain V out at
constant level
What is the purpose of series voltage regulators? - answer-To adjust voltage drop to maintain V out at
constant level
In a series voltage regulator, V out INCREASES when what happens? - answer-Load current decreases OR
DC input increases
In a series voltage regulator, V out INCREASES when what happens? - answer-Load current decreases OR
DC input increases
In series voltage regulator, V out DECREASES when what happens? - answer-Load current increases OR
DC input decreases
In series voltage regulator, V out DECREASES when what happens? - answer-Load current increases OR
DC input decreases
If load current decreases or DC input increases, what needs to be done to maintain constant level of V out
(series volt regulator)? - answer-Increase R1 resistance to increase voltage drop on R1
, If load current decreases or DC input increases, what needs to be done to maintain constant level of V out
(series volt regulator)? - answer-Increase R1 resistance to increase voltage drop on R1
If load current increases or DC input decreases, what needs to be done to maintain constant level of V out
(series voltage regulator)? - answer-Increase R1 resistance to decreases voltage drop on R1
If load current increases or DC input decreases, what needs to be done to maintain constant level of V
out (series voltage regulator)? - answer-Increase R1 resistance to decreases voltage drop on R1
What is the purpose of parallel voltage regulator? - answer-Adjust current flow to maintain V out at
constant level
What is the purpose of parallel voltage regulator? - answer-Adjust current flow to maintain V out at
constant level
In parallel voltage regulator, V out increases when what happens? - answer-DC input increases or load
current decreases
In parallel voltage regulator, V out increases when what happens? - answer-DC input increases or load
current decreases
In parallel voltage regulator, V out decreases when what happens? - answer-When DC input decreases or
load current increases
In parallel voltage regulator, V out decreases when what happens? - answer-When DC input decreases or
load current increases
What makes a zener diode different from junction diode? - answer-Zener diode is designed operate in
breakdown
What makes a zener diode different from junction diode? - answer-Zener diode is designed operate in
breakdown
QUESTIONS AND CORRECT DETAILED ANSWERS WITH
RATIONALES (VERIFIED ANSWERS) |ALREADY GRADED A
What does a regulator do in a power supply? - answer-maintains the output voltage at a constant level
despite changes in load current
What does a regulator do in a power supply? - answer-maintains the output voltage at a constant level
despite changes in load current
What does the protection circuit do in power supply? - answer-Prevents damage to power supply if load
becomes faulty, limits or disables output
What does the protection circuit do in power supply? - answer-Prevents damage to power supply if load
becomes faulty, limits or disables output
The half wave rectifier is the same as what circuit? - answer-Series limiter
Which rectifier is the least efficient using only half the input? - answer-Half-wave
Which two rectifiers require two input signals 180 degrees out of phase? - answer-Full-wave and bridge
Which two rectifiers require two input signals 180 degrees out of phase? - answer-Full-wave and bridge
Which rectifier uses a center tapped transformer? - answer-Full wave
Which rectifier uses a center tapped transformer? - answer-Full wave
How is frequency determined for half wave rectifier? - answer-Output frequency is same as input
frequency
,How is frequency determined for half wave rectifier? - answer-Output frequency is same as input
frequency
How is frequency determined for full wave rectifier? - answer-Output is twice the input frequency
How is frequency determined for full wave rectifier? - answer-Output is twice the input frequency
How is frequency determined for bridge rectifier? - answer-Output is twice the input frequency
How is frequency determined for bridge rectifier? - answer-Output is twice the input frequency
What is the purpose of series voltage regulators? - answer-To adjust voltage drop to maintain V out at
constant level
What is the purpose of series voltage regulators? - answer-To adjust voltage drop to maintain V out at
constant level
In a series voltage regulator, V out INCREASES when what happens? - answer-Load current decreases OR
DC input increases
In a series voltage regulator, V out INCREASES when what happens? - answer-Load current decreases OR
DC input increases
In series voltage regulator, V out DECREASES when what happens? - answer-Load current increases OR
DC input decreases
In series voltage regulator, V out DECREASES when what happens? - answer-Load current increases OR
DC input decreases
If load current decreases or DC input increases, what needs to be done to maintain constant level of V out
(series volt regulator)? - answer-Increase R1 resistance to increase voltage drop on R1
, If load current decreases or DC input increases, what needs to be done to maintain constant level of V out
(series volt regulator)? - answer-Increase R1 resistance to increase voltage drop on R1
If load current increases or DC input decreases, what needs to be done to maintain constant level of V out
(series voltage regulator)? - answer-Increase R1 resistance to decreases voltage drop on R1
If load current increases or DC input decreases, what needs to be done to maintain constant level of V
out (series voltage regulator)? - answer-Increase R1 resistance to decreases voltage drop on R1
What is the purpose of parallel voltage regulator? - answer-Adjust current flow to maintain V out at
constant level
What is the purpose of parallel voltage regulator? - answer-Adjust current flow to maintain V out at
constant level
In parallel voltage regulator, V out increases when what happens? - answer-DC input increases or load
current decreases
In parallel voltage regulator, V out increases when what happens? - answer-DC input increases or load
current decreases
In parallel voltage regulator, V out decreases when what happens? - answer-When DC input decreases or
load current increases
In parallel voltage regulator, V out decreases when what happens? - answer-When DC input decreases or
load current increases
What makes a zener diode different from junction diode? - answer-Zener diode is designed operate in
breakdown
What makes a zener diode different from junction diode? - answer-Zener diode is designed operate in
breakdown
