Which of the following changes would result in a clockwise emf in the loop? When

Question

Which of the following changes would result in a clockwise emf in the loop? When you consider each option, assume that no other changes occur.

Check all that apply.

A.) The magnitude of B  increases. B.) The magnitude of B  decreases. C.) The loop rotates through 45 degrees about the vertical axis (vertical dotted line) shown in the diagram. D.) The loop rotates through 45 degrees about the horizontal axis (horizontal dotted line) shown in the diagram. E.) The loop moves to the right while remaining in the plane of the page. F.) The loop moves toward you, out of the page, while remaining parallel to itself.

Explanation / Answer

Clockwise emf in the loop implies that the induced magnetic field is directed into the page so the magnetic flux of the original field increases. Hence, the magnitude of magnetic field increases.

Therefore, option (A) is correct.

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