A circular loop in the plane of the paper lies in a 0.53 T magnetic field pointing into the paper. (a)If the loop's diam

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A circular loop in the plane of the paper lies in a 0.53 T
magnetic field pointing into the paper.
(a)If the loop's diameter changes from 23.8 cm to
6.0 cm in 0.39 s, what is the direction of the
induced current?
(b) What is the magnitude of the average induced emf? Express
your answer using two significant figures.
(c)If the coil resistance is 4.5 Ω , what is the
average induced current? Express your answer using two significant
figures.