A cell develops the same power across two resistances `R_(1)` and `R_(2)` separately. The internal resistance of the cell isA. `sqrt(R_(1)R_(2))`B. `sqrt(2R_(1)R_(2))`C. `R_(1)+R_(2)`D. `R_(1)-R_(2)`

A cell develops the same power across two resistances `R_(1)` and `R_(

1.	A cell develops the same power across two resistances `R_(1)` and `R_(2)` separately. The internal resistance of the cell isA. `sqrt(R_(1)R_(2))`B. `sqrt(2R_(1)R_(2))`C. `R_(1)+R_(2)`D. `R_(1)-R_(2)`
Answer» Correct Answer - A `P_(1)=i^(2)R_(1)=((E)/(R_(1)+r))^(2)R_(1)` `P_(2)=i^(2)R_(2)=((E)/(R_(2)+r))^(2)R_(2)`

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