ATT TEST 8 (Latest 2026/2027 Update) Complete Questions and Guide Answers, 100% Verified Graded A+

ATT TEST 8 QUESTIONS AND ANSWERS

100% Verified Graded A+


1. What are 5 parts of a power supply?

Answer: Input, rectifier, filter, regulator, protection

2. Which two parts of a power supply are optional?

Answer: Regulator and protection

3. What is the purpose of a power supply?

Answer: To convert AC power into smooth DC power

4. What does the input of a power supply do?

Answer: Step up or down the AC input voltage

5. What does the rectifier do in a power supply?

Answer: Changes AC into pulsating DC

6. What does the filter do in a power supply?

Answer: Changes pulsating DC into smooth DC

7. How type of components do filters use?

, Answer: Reactive components

8. What does a regulator do in a power supply?

Answer: maintains the output voltage at a constant level despite changes in load current

9. What does the protection circuit do in power supply?

Answer: Prevents damage to power supply if load becomes faulty, limits or disables output

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

Answer: Series limiter

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

Answer: Half-wave

12. Which two rectifiers require two input signals 180 degrees out of phase?

Answer: -

Full-wave and bridge

13. Which rectifier uses a center tapped transformer?

Answer: Full wave

14. How is frequency determined for half wave rectifier?

Answer: Output frequency is same as input frequency

15. How is frequency determined for full wave rectifier?

Answer: Output is twice the input frequency