A calculate the current in the wire needed to create a

Reference no: EM13620449

A surveyor, 100 m from a long straight 200 kV DC power line, suspects that its magnetic field may equal that of the earth and would affect compass readings. (a) Calculate the current in the wire needed to create a 5.0×10-5 T (1/2 gauss) field at this distance. (b) What is unreasonable about this result? (c) Which assumption or premise is responsible?

Reference no: EM13620449

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