Question
Under what condition can a single power supply unit feed two lines?
Answer
A — When additional current is needed, depending on the load
Correct: The source allows one PSU to feed two lines if extra current is needed and the load permits.
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An error or unclear wording? Report this questionAll proposed choices (exam context)
- A.When additional current is needed, depending on the load✓
- B.Always – every PSU feeds exactly two lines
- C.Only if both lines together have fewer than 21 devices
- D.Never – one PSU can only ever feed one line
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