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Question: A parallel series electric bllasting circuit consists of six branches of eight caps each. Holes are spaced 10ft (3.1 m) apart in a rectangular pattern. Cap legwire length is 28 ft (8.5 m). Each side of the cap circuit is connected by a No. 16 gauge bus wire 50 ft (15.3 m) long. The lead wires are No. 14 gauge 1000 ft (305 m) long one way. Find the minimum dc current and voltage required to safely fire this blast under current leakage conditions.

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Category:- Physics
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