Answer to Question #332911 in Electricity and Magnetism for elcando

Question #332911

An electric wire in the wall of a building carries a current of 25A vertically upward. What is the magnetic field due to this current at point P 10cm due north of the wire

Expert's answer

"B=\\frac{\\mu_0 I}{2\\pi l}=50~\\mu T ."

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