A 7.7 cm diameter loop of wire is initially oriented
perpendicular to a 2.0 T magnetic field. The loop is rotated so
that its plane is parallel to the field direction in 0.21 s. What
is the average induced emf in the loop? Express your answer using
two significant figures.
A 7.7 cm diameter loop of wire is initially oriented perpendicular to a 2.0 T magnetic field. The loop is rotated so tha
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