Shows rod `PQ` of mass `m` and resistance `r` moving on two fixed, resistanceless,
Channel: Doubtnut
Date: 26/07/2020

Shows rod `PQ` of mass `m` and resistance `r` moving on two fixed, resistanceless, smooth conducting rails (closed on both sides by resistances `R_(1) and R_(2)`). Find the current in the rod (at the instant its velocity is `v`).