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Engine : Electricity - 1107/1386
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At a minimum threshold, how many milliamps of current through the body produces a condition where most people would be unable to let go of the energized electrical conductor due to involuntary muscular contraction?
A) 3 to 7 mA
B) 10 to 16 mA
C) 30 mA
D) 75 mA for 5 sec.
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