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There is a uniform electric flux perpendicular to a circular region of radius R = 2.2...

There is a uniform electric flux perpendicular to a circular region of radius R = 2.2 cm. The electric flux is only contained within the circular region, and the total value can be expressed by the following function: ΦE = 5.3t, where ΦE is in V⋅m when t is in seconds. At a radial distance of 4.0 cm from the center of the circle, what is the magnitude of the induced magnetic field? Express your answer in fT (femtoteslas). Femto- is 10-15.

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