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ATT TEST 8 EXAM LATEST 2024 ACTUAL EXAM 100 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS) |ALREADY GRADED A |ALREADY GRADED A

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What are 5 parts of a power supply? Input, rectifier, filter, regulator, protection 2. Which two parts of a power supply are optional? Regulator and protection 3. What is the purpose of a power supply? To convert AC power into smooth DC power 4. What does the input of a power supply do? Ste...

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Uploaded on November 21, 2024
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Type Exam (elaborations)
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ATT TEST 8 EXAM LATEST 2024 ACTUAL EXAM 100 QUESTIONS AND CO
RECT DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS
|ALREADY GRADED A |ALREADY GRADED A
Study online at https://quizlet.com/_fw6wxb

1. What are 5 parts of a power supply? Input, rectifier, filter, regula-
tor, protection

2. Which two parts of a power supply are op- Regulator and protection
tional?

3. What is the purpose of a power supply? To convert AC power into
smooth DC power

4. What does the input of a power supply do? Step up or down the AC input
voltage

5. What does the rectifier do in a power sup- Changes AC into pulsating
ply? DC

6. What does the filter do in a power supply? Changes pulsating DC into
smooth DC

7. How type of components do filters use? Reactive components

8. What does a regulator do in a power supply? maintains the output voltage
at a constant level despite
changes in load current

9. What does the protection circuit do in power Prevents damage to pow-
supply? er supply if load becomes
faulty, limits or disables out-
put

10. The half wave rectifier is the same as what Series limiter
circuit?

11. Which rectifier is the least efficient using Half-wave
only half the input?

12. Which two rectifiers require two input sig- Full-wave and bridge
nals 180 degrees out of phase?

13. Full wave
1/9

, ATT TEST 8 EXAM LATEST 2024 ACTUAL EXAM 100 QUESTIONS AND CO
RECT DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS
|ALREADY GRADED A |ALREADY GRADED A
Study online at https://quizlet.com/_fw6wxb
Which rectifier uses a center tapped trans-
former?

14. How is frequency determined for half wave Output frequency is same as
rectifier? input frequency

15. How is frequency determined for full wave Output is twice the input fre-
rectifier? quency

16. How is frequency determined for bridge rec- Output is twice the input fre-
tifier? quency

17. What is the purpose of series voltage regu- To adjust voltage drop to
lators? maintain V out at constant
level

18. In a series voltage regulator, V out INCREAS- Load current decreases OR
ES when what happens? DC input increases

19. In series voltage regulator, V out DECREAS- Load current increases OR
ES when what happens? DC input decreases

20. If load current decreases or DC input in- Increase R1 resistance to in-
creases, what needs to be done to maintain crease voltage drop on R1
constant level of V out (series volt regula-
tor)?

21. If load current increases or DC input de- Increase R1 resistance to
creases, what needs to be done to maintain decreases voltage drop on
constant level of V out (series voltage regu- R1
lator)?

22. What is the purpose of parallel voltage reg- Adjust current flow to main-
ulator? tain V out at constant level

23. In parallel voltage regulator, V out increases DC input increases or load
when what happens? current decreases

24.
2/9

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Exam (elaborations) ·