Question: A straight wire carrying a 2 . 9 1 - A current is placed in a uniform magnetic field of magnitude 0 . 2 8

A straight wire carrying a 2.91-A current is placed in a uniform magnetic field of magnitude 0.286 T directed perpendicular to the wire.
(a) Find the magnitude of the magnetic force on a section of the wire having a length of 13.0 cm.
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(b) Explain why you can't determine the direction of the magnetic force from the information given in the problem.

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