A 8.2 cm diameter wire coil is initially oriented so that its plane is perpendicular to a magnetic field of 0.43 T pointing up. During the course of 0.20 s, the field is changed to one of 0.19 T pointing down. Part A What is the average induced emf in the coil? Express your answer using two significant figures. E = 17 ΑΣΦ ? V

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