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A uniform conducting rod of length I is ...

A uniform conducting rod of length I is moving with speed `v_0` in a uniform transverse magnetic field `B_0` as shown in figure. The emf developed across the two ends of the rod will be

A

`B_0lv_0` and A is at higher potential

B

`(B_0lv_0)/2`and A is at higher potential

C

`B_0lv_0`and B is at higher potential

D

`(B_0lv_0)/2` and B is at higher potential

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