Find the average induced emf during this interval

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Q. Two charged balls are 20.0 cm apart. They are moved, and the force on each of them is tripled. How far apart are they now?

Q. A circular loop of radius 20 cm is placed in an external magnetic field of strength 0.10 T so that the plane of the loop is perpendicular to the field. The loop is pulled out of the field in 0.30 s. Find the average induced emf during this interval.

Reference no: EM1354878

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