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An electric kettle takes 4A current at 220 V. How much time will it take to boil 1 kg of water from temperature 20

An electric kettle takes 4A 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. (a) 6.3 min (c) 12.6 min (b) 8.4 min (d) 4.2 min

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