Spark discharge definition

In " Introduction of Ref 35, t>p 2- 3 tc is stated that spark (See its definition and distinction from arc given on pp 4 -5 and under item Vin of this section) sensitivity testing can provide an important measure of the electrostatic. hazards associated with the handling of primary expls The threshold (or minimum) energy required for initiation is of particular concern. The usual approach.to determine this minimum energy is to discharge a capacitor thru a spark gap in or neat the expl and... 

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