Question: A small circular washer of radius 0.500 cm is held directly below a long, straight wire carrying a current of 10.0 A The washer is

A small circular washer of radius 0.500 cm is held directly below a long, straight wire carrying a current of 10.0 A The washer is located 0.500 m above the top of a table (Fig. P31.62)
(a) If the washer is dropped from rest, what is the magnitude of the average induced emf in the washer from the time it is released to the moment it hits the tabletop? Assume that the magnetic field is nearly constant over the area of the washer, and equal to the magnetic field at the center of the washer.
(b) What is the direction of the induced current in the washer?

A small circular washer of radius

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