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Fig. 12.32 shows a long, rectangular, co...

Fig. 12.32 shows a long, rectangular, conducting loop of with l, mass m and resistance R placed partly in a perpendicular magnetic field B. With what velocity should it be pushed downwards so that it may continue to fall wihtout any acceleration?

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The correct Answer is:
`v=(mgR)/(B^(2)l^(2))`
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