A bus bar is 3 inches wide and 0.375 inches thick. What size of round conductor (in circular mils) is necessary to carry the same current as the bus bar? A. 1,125,000 circular mils B. 1,250,000 circular mils C. 1,432,000 circular mils D. 1,547,000 circular mils

A bus bar is 3 inches wide and 0.375 inches thick. What size of round conductor (in circular mils) is necessary to carry the same current as the bus bar? A. 1,125,000 circular mils B. 1,250,000 circular mils C. 1,432,000 circular mils D. 1,547,000 circular mils
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Answer: C
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