2) A certain plasma arc (welding arc) can be approximated as a cylinder of high-temperature conducting gas that extends from the welding rod tip to the work-piece. Thisconducting cylinder can be assumed to have a constant circular cross-section with a radiusof R = 4.50 mm which carries a current along its length having a density given by:J = J, earJo = (7.50 x 10° A/m?)r= the radial distance from the center of the cylindera = 334 mwhere:Find the total electric current flowing through this plasma arc.

Answered: Image /qna-images/answer/40642612-eb15-4333-a266-920c4bbdf78c.jpg

Answered: 2) A certain plasma arc (welding arc)…

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