A cell supplies a current `i_(1)` trhough a resistnace `R_(1)` and a current `i_(2)` through a resistance `R_(2)`. The internal resistance of this cell isA. `R_(2)-R_(1)`B. `(i_(1)R_(2)-i_(2)R_(1))/(i_(1)-i_(2))`C. `(i_(2)R_(2)-i_(1)R_(1))/(i_(1)-i_(2))`D. `((i_(1)+i_(2))/(i_(1)-i_(2)))sqrt(R_(1)R_(2))`

A cell supplies a current `i_(1)` trhough a resistnace `R_(1)` and a c

1.	A cell supplies a current `i_(1)` trhough a resistnace `R_(1)` and a current `i_(2)` through a resistance `R_(2)`. The internal resistance of this cell isA. `R_(2)-R_(1)`B. `(i_(1)R_(2)-i_(2)R_(1))/(i_(1)-i_(2))`C. `(i_(2)R_(2)-i_(1)R_(1))/(i_(1)-i_(2))`D. `((i_(1)+i_(2))/(i_(1)-i_(2)))sqrt(R_(1)R_(2))`
Answer» Correct Answer - C

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