By a cell a current of 0.9 A flows through 2 ohm resistor and `0.3 A` through 7 ohm resistor
Channel: Doubtnut
Date: 2021-11-02

By a cell a current of 0.9 A flows through 2 ohm resistor and `0.3 A` through 7 ohm resistor. The internal resistance of the cell is