Wednesday
May 6, 2015

Homework Help: Physics

Posted by sophie on Wednesday, April 22, 2009 at 2:07pm.

A current-carrying wire is oriented at right angles to a uniform magnetic field. If the length of the wire is
0.50 m and it experiences a force of 0.90 N while carrying a current of 4.0 A, what is the strength of the magnetic field?

I did the work and got:
0.45 ...???

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