In Fig. shown, the rod has a resistance ...

In Fig. shown, the rod has a resistance `R`, the horizontal rails have negligible friction. A battery of emf `E` and negligible internal resistance is connected between points `a and b`. The rod is released from rest.

after some time, the rod will approach a terminal speed . Find an expression for it.

`3/2 E/(Bl)`

`E/(2Bl)`

`E/(Bl)`

`(2E)/(Bl)`

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