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Physics 6 Online
OpenStudy (anonymous):

A length of wire carries a 20.0 A current through a magnetic field with a magnitude of 1.7 × 10^–3 T. The direction of the magnetic field is perpendicular to the direction of current flow. The wire experiences a force of 7.5 × 10^–4 N. How long is the wire? 0.022 m 0.0000255 m 255 m 8.8 x 10^-6 m

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