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A current of 2 A flows through a 2 Ω resistor when connected with a cell. When the resistance is replaced by 10 Ω, a current of 0.5 A flows. The internal resistance of the cell is |
1/3 Ω 10 Ω 3/2 Ω 2/3 Ω |
2/3 Ω |
The correct answer is Option (4) → 2/3 Ω |
