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58 An electric kettle takes 4 A current at 220 V How much time will...

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58 An electric kettle takes 4 A current at 220 V How much time will it take to boil 1 kg of water from temperature 20 C The temperature of boiling water is 100 C AIPMT Prelims 2008 1 4 2 min 2 6 3 min 8 4 min 4 12 6 min

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