ATT TEST 8 ACTUAL TEST 2025 | ALL QUESTIONS AND CORRECT ANSWERS | GRADED A+ | VERIFIED ANSWERS | LATEST TEST (JUST RELEASED)

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ATT TEST 8 ACTUAL TEST 2025 | ALL QUESTIONS
AND CORRECT ANSWERS | GRADED A+ | VERIFIED
ANSWERS | LATEST TEST (JUST RELEASED)
What are 5 parts of a power supply? - (ANSWER)Input, rectifier, filter, regulator,
protection



Which two parts of a power supply are optional? - (ANSWER)Regulator and
protection



What is the purpose of a power supply? - (ANSWER)To convert AC power into
smooth DC power



What does the input of a power supply do? - (ANSWER)Step up or down the AC
input voltage



What does the rectifier do in a power supply? - (ANSWER)Changes AC into
pulsating DC



What does the filter do in a power supply? - (ANSWER)Changes pulsating DC into
smooth DC



How type of components do filters use? - (ANSWER)Reactive components



What does a regulator do in a power supply? - (ANSWER)maintains the output
voltage at a constant level despite changes in load current

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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 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 full wave rectifier? - (ANSWER)Output is twice
the input frequency



How is frequency determined for bridge rectifier? - (ANSWER)Output is twice the
input frequency