Two terminals of a cell of emf 2.5 V are connected to the two ends of the 10 ohm resistance coil. If the current in the circuit is 0.2 A, then the internal resistance of the cell is

3.2 ohm

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2 ohm

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4.5 ohm

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2.5 ohm

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Solution

The correct option is D
2.5 ohm

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