A small circular loop of area 2.00 cm2 is placed in the
Chapter , Problem 17(choose chapter or problem)
A small circular loop of area 2.00 cm2 is placed in the plane of, and concentric with, a large circular loop of radius 1.00 m. The current in the large loop is changed at a constant rate from 200 A to %200 A (a change in direction) in a time of 1.00 s, starting at t ! 0. What is the magnitude of the magnetic field at the center of the small loop due to the current in the large loop at (a) t ! 0, (b) t ! 0.500 s, and (c) t ! 1.00 s? (d) From t ! 0 to t ! 1.00 s, is reversed? Because the inner loop is small, assume is uniform over its area. (e) What emf is induced in the small loop at t ! 0.500 s?
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