Created by StemPy LabA loop of wire is a square of side cm, and its resistance is . It is carried at m/s towards a region of uniform field T, at right angles to the loop. What is the current in the loop while it is moving in through the edge of the region?
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← Two upright metal rails are 0.14 m apart and are joined at the top, so the loop they form has a resistance of 0.038 Ω. A crossbar of mass 12 g is released and slides down them. A horizontal field of 0.57 T is at right angles to the plane of the rails. What steady speed does the crossbar reach? Take g = 9.8 m/s².A square frame moves at a steady speed and is wholly inside a wide region of uniform field, far from the edges of the region. Which statement is right? →
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