Subject
Computer Science
Topic
Computer Hardware
Which testing tool is best to verify PSU rails under load?
Which testing tool is best to verify PSU rails under load?
ক)
POST cardখ)
Oscilloscope or DMM with load testerগ)
Cable testerঘ)
ESR meterExplanation
A scope shows ripple/noise on 12V/5V/3.3V rails; a DMM confirms steady voltage. Testing under load reveals droop and regulation quality. POST cards diagnose boot codes, not power quality. ESR meters check capacitor health but not whole PSU behavior.Related questions
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