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A rod PQ of mass m and resistance r is m...

A rod `PQ` of mass `m` and resistance `r` is 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`.

Text Solution

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`i=(BlV)/(r+(R_(1)R_(2))/(R_(1)+R_(2)))`
this circuit is equivalent to the following diagram .
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