Question: A 8.5 cm diameter wire coil is initially oriented so that its plane is perpendicular to a magnetic field of 0.49 T pointing up. During

A 8.5 cm diameter wire coil is initially oriented so that its plane is perpendicular to a magnetic field of 0.49 T pointing up. During the course of 0.20 s , the field is changed to one of 0.35 T pointing down. What is the average induced emf in the coil?

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