Which of the following setups can make a small conductor coil that is placed horizontally float ...

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Which of the following setups can make a small conductor coil that is placed horizontally float on top of an object?
(A) The object is a magnet that provides a magnetic field pointing straight downward, whereas the coil carries an electric current flowing clockwise as viewed from top down
(B) The object is a magnet that provides a magnetic field pointing straight downward, while the coil carries an electric current flowing counterclockwise as viewed from top down
(C) The object carries positive electric charge while the coil carries negative charge
(D) The object as well as coil carries negative electric charge
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