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A conducting rod of length 1 is moving o...

A conducting rod of length 1 is moving on a horizontal smooth surface. Magnetic field in the region is vertically downward and magnitude `B_(0)`. If centre of mass (COM) of the rod is translating with velocity `v_(0)` and rod rotates about COM with angular velocity `v_(0)//l`, then potential difference between points O and A will be

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