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I always rate 5 for complete answers. 1) a) What will happen when an uncharged p

ID: 2236102 • Letter: I

Question

I always rate 5 for complete answers. 1) a) What will happen when an uncharged pith ball is brought near one of the poles of a magnet? Why? b)What will happen if a charged pith ball is brought near one of the poles? Why? 2) A paper clip is suspended from a string inside a Styrofoam cup surrounded by aluminum foil. a)What will happen to the paperclip when a charged rod is brought near the cup? b) What will happen when of the poles of the magnet is brought near the cup? 3) a) Are the poles of a magnet the same as net positive and net negative charge?

Explanation / Answer

1)

a) a magnet is not charged => no interaction

b) no interaction since a magnetic poles has no electric charge

2)

a) no interaction the aluminum shields the paper clip from the rod E = 0 inside of a conducter

b) it would be attracted to the charge rod since the paper clip wouldn't be shielded by the foil