A Bar Magnet Is Broken in Half

question 43

Multiple Choice

A bar magnet is broken in half.Each half is broken in half again, etc.The observation is that each piece has both a north and south pole.This is usually explained by:

• A)Ampere's theory that all magnetic phenomena result from electric currents
• B)our inability to divide the magnet into small enough pieces
• C)Coulomb's law
• D)Lenz' law
• E)conservation of charge

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A pricing strategy that sets higher prices during times of high demand and lower prices during times of low demand.