Problem: What magnetic field strength will levitate the 2.0 g wire in the figure (Figure 1) ? Assume that J = 1.5 A and d = 11 cm. What is the direction of the magnetic field?

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Magnetic force:

FB=BILsinθ

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Problem Details

What magnetic field strength will levitate the 2.0 g wire in the figure (Figure 1) ? Assume that J = 1.5 A and d = 11 cm. 

What is the direction of the magnetic field?

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