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ATT (ET) - WEEK 8 WITH ACTUAL COMPLETE QUESTIONS AND 100% CORRECT ANSWERS | VERIFIED BY EXPERT | NEWLY UPDATED 2025

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ATT (ET) - WEEK 8 WITH ACTUAL COMPLETE QUESTIONS AND 100% CORRECT ANSWERS | VERIFIED BY EXPERT | NEWLY UPDATED 2025

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ATT
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ATT (ET) - WEEK 8 WITH ACTUAL
COMPLETE QUESTIONS AND 100%
CORRECT ANSWERS | VERIFIED BY
EXPERT | NEWLY UPDATED 2025

Q: What two sections are optional in a power supply?
ANSWER ✔✔ Regulator and protection



Q: Which section steps up or steps down the AC voltage?
ANSWER ✔✔Input



Q: Which section changes AC into pulsating DC?
ANSWER ✔✔Rectifier



Q: Which section changes pulsating DC into smooth DC?
ANSWER ✔✔ Filter



Q: Which section maintains the output DC voltage at a constant level?
ANSWER ✔✔ Regulator



Q: Which section prevents damage to the power supply?
ANSWER ✔✔Protection



Q: What does a power supply do?
ANSWER ✔✔Converts AC power to DC power

, Q: What does a diode rectifier do?
ANSWER ✔✔Converts AC power to pulsating DC power



Q: How many diodes does a half-wave rectifier use?
ANSWER ✔✔1 diode



Q: How many diodes does a full-wave rectifier use?
ANSWER ✔✔2 diodes



Q: How many diodes does a bridge rectifier use?
ANSWER ✔✔4 diodes



Q: In which type of rectifier is the ripple frequency the same as the input frequency?
ANSWER ✔✔Half-wave rectifier



Q: In which type of rectifier is the ripple frequency twice the input frequency?
ANSWER ✔✔ Full-wave rectifier



Q: What does a forward biased zener diode act like?
ANSWER ✔✔Closed switch



Q: What does a reverse biased zener diode act like?
ANSWER ✔✔Open switch



Q: What type of voltage regulator has the regulator circuit in series with the load?
ANSWER ✔✔Series voltage regulator
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June 28, 2025
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  • att et week 8 with actual complete questions a
  • what two sections are optional in a power supply
  • which section prevents damage to the power supply
  • what is the maximum current output for an ic regul
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