Answer to Question #295672 in Physics for jian

Question #295672

A copper wire that has a radius of 3 cm has a uniform charge density of 12 μC/m^2.Determine the total charge present in a 1.0-m long section of the copper wire.

Expert's answer

The total charge is

"Q=\\sigma A=2\\pi r l \\sigma=2.26\\space\\mu\\text C."

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