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Which of the following statements are true?

Which of the following statements are true?
4
The magnetic force on the bar is in the +y direction (upward). If the conventional current in the bar were less than 2 A, the bar would fall. If the conventional current in the bar flowed in the opposite direction (to the left), the bar would still float at rest 6 cm above the table.

This question was asked on Mar 20, 2010.

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