Question
How does loop area relate to lightning-induced surges in a KNX installation?
Answer
D — The larger the loop area, the larger the expected peak surge.
Correct: the source states peak surge grows with loop area.
Source
KNX Basic Course Documentation — 13 — p. 114
All proposed choices (exam context)
- A.The larger the loop area, the smaller the surge.
- B.Loop area has no effect on surge magnitude.
- C.Only loops smaller than 1 m2 generate surges.
- D.The larger the loop area, the larger the expected peak surge.✓
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