A current of 2A flows through a 2 Ω resistor whenconnected across a batteryThe same battery supplies acurrent of 0.5 A when connected across a 9Ω resistor.The internal resistance of the battery is [2011]

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A current of 2A flows through a 2 Ω resistor whenconnected across a batteryThe same battery supplies acurrent of 0.5 A when connected across a 9Ω resistor.The internal resistance of the battery is [2011]