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IMPORTANT Hi! In the formula B2/Z=mu_0*P*G/X, B, the magnetic field (in teslas) is squared. In a real experiment, would I use the value of just B, calculate by (B=the square root of Z*mu_0*P*G/X) or B2, as it is represented originally in the formula? Thank you so much!
Question Date: 2008-08-26
Answer 1:

That would depend on what you want to solve for. Before you run the experiment, I would think you would want to calculate the magnetic field necessary to cause the Bismuth to levitate. In this cause, you want to solve for B as you did (B=the square root of Z*mu_0*P*G/X). The equation given is a general equation for the conditions necessary to levitate an object using diamagnetic levitation. Depending on the experiment, you may want to solve for different things. In this case, I would solve for B in order to find how strong of a magnet you will need in your experiment.



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