Suppose an Emf Is Induced in a Loop of Wire

Suppose an emf is induced in a loop of wire by rotating the loop in a magnetic field. If the diameter of the loop were twice as large, how would the induced emf compare?

A) The induced emf would be 4 times as much.
B) The induced emf would be twice as much.
C) There would be no change in the induced emf.
D) The induced emf would be 6.28 times as much.

Correct Answer:

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