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What are the most likely conditions for ESD?

  • A.Hot and dry
  • B.Hot and wet
  • C.Cold and dry
  • D.Cold and wet

Answer: B

Correct answer: Cold and dry

Dry air is an insulator, so charge accumulates on a body instead of leaking away, and cold air holds less moisture than warm. Cold and dry is therefore the worst combination - which is why static problems are worst in winter.

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