Q69
20 plain detonators in series, each of 2d resistance, are fired by a DC exploder supplying a current of 1.25 A. If 250 mJ energy is spent to fire the detonators, the time required in millisecond after detonator initiation is
A.
4
AnswerB.
8
C.
12
D.
16
Answer: Option A
Solution
Answer: Option A
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