My brother places a straight conducting wire with mass 10.0 g and length 5.00 cm on a frictionless incline plane (45˚ fr

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My brother places a straight conducting wire with
mass 10.0 g and length 5.00 cm on a
frictionless incline plane (45˚ from the horizontal). There is a
uniform magnetic field of 2.0 T at all points on the
plane, pointing straight up. To keep the wire from sliding down the
incline, my brother applies an electric potential across the wire.
When the right amount of current flows through the wire, the wire
remains at rest.
Determine the magnitude of the current in the wire that will
cause the wire to remain at rest.