patient comes in for an MRI and is placed within a strong magnetic field. For safety reasons, the magnetic field should be kept continuous. Suppose the largest surface of the body through which flux passes has an area of 0.032 m2 and a normal that is parallel to a magnetic field of 1.5 T. Determine the smallest time period during which the field can be allowed to vanish if the magnitude of the average induced emf is to be kept less than 0.01 V.     3.89 s

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