$($Figure $1)$ shows a $100-$turn coil of wire of radius $11$ cm in a $0\mathrm{.}25$ T magnetic field. The coil is rotated $90$ in $0\mathrm{.}30$ s $,$ ending up parallel to the field.

Part A

What is the average emf induced in the coil as it rotates?

Express your answer with the appropriate unite.

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Figure

$1$ of $1$