Straight wire carrying a current

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In 1962 measurements of the magnetic field of a large tornado were made at the Geophysical Observatory in Tulsa, Oklahoma. If the magnitude of the tornado's field was B = 1.75 ? 10-8 T pointing north when the tornado was 8.80 km east of the observatory, what current was carried up or down the funnel of the tornado? Model the vortex as a long, straight wire carrying a current. A (conventional current) flowing the tornado.

Reference no: EM131420841

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