A bar magnet is dropped v a upright copper tube and also is it was observed to fall very slowly, regardless of the reality that mechanical friction in between the magnet and the pipe is negligible.  Which of following finest explains the factor for this?

A. The fallout’s magnet magnetizes the copper pipeline which causes the now permanent copper pipe magnet to tempt the fallout’s magnet for this reason causing the slow descent.

You are watching: If you drop a bar magnet in a vertical copper pipe it will fall slowly because

B. The falling magnet is slowed by the Earth’s magnetic field.

C. The an altering flux that the falling magnet cause a magnetic field in the copper pipe, in the opposite direction of the bar magnet's field, i beg your pardon impedes the motion through the pipe.

D. Friction and also Air resistance reason the magnet to loss much slower 보다 it would external of the tube.

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