The Figure Shows a Bar Magnet Moving Vertically Upward Toward

question 27

Multiple Choice

The figure shows a bar magnet moving vertically upward toward a horizontal coil. The poles of the bar magnets are labeled X and Y. As the bar magnet approaches the coil it induces an electric current in the direction indicated on the figure (counter-clockwise as viewed from above) . What are the correct polarities of the magnet?

• A) X is a south pole, Y is a north pole.
• B) X is a north pole, Y is a south pole.
• C) Both X and Y are north poles.
• D) Both X and Y are south poles.
• E) The polarities of the magnet cannot be determined from the information given.

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Definitions:

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Taxes levied by a government directly on income, especially an annual tax on personal or corporate earnings.

Sunk Costs

Sunk costs are expenses that have already been incurred and cannot be recovered.

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The forfeiture of possible benefits from different options when selecting one option over the others.

Terminal Cash Flow

The net cash flow received or paid at the end of a project's life, including salvage value and net working capital recovery.