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A 40 tum circular coil (radius = 4.0 cm, total resistance = 0.20 0) is placed in a uniform magnetic field directed
perpendicular to the plane of the coil. The magnitude of the magnetic field varies with time as given by B = 39
sin(10 Ttt) mT where t is measured in s. What is the magnitude of the induced current in the coil at 0.07 s?
%3D
O a. 1.25 A
O b. 0.61 A
Oc 0.72 A
O d. 0.99 A
O e. 0 A

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