what is the lowest power level for a powder - actuated device?\n1\n5\n10\n12

what is the lowest power level for a powder - actuated device?\n1\n5\n10\n12
Answer
Brief Explanations:
Powder - actuated devices typically have power levels ranging from 1 - 12. The lowest among the given options and in general for such devices is 1.
Answer:
A. 1