A Bar Magnet Is Falling Through a Loop of Wire

question 25

Multiple Choice

A bar magnet is falling through a loop of wire with constant velocity. The south pole enters first. The induced current will be greatest in magnitude when the magnet is located so that:

• A) with no acceleration, the induced current is zero.
• B) the loop is near the south pole only.
• C) the loop is near either the north or the south pole.
• D) the loop is near the middle of the magnet.

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Definitions:

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