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121.An electric kettle takes 4A current at 220 V .How much time will it take to boil 1kg of water from temperature 20 degree celsius.The temperature of boiling water is 100 degree celsius A 12.6 min B 6.3 min C 4.2 min D 8.4 min

Answer» 121.An electric kettle takes 4A current at 220 V .How much time will it take to boil 1kg of water from temperature 20 degree celsius.The temperature of boiling water is 100 degree celsius A 12.6 min B 6.3 min C 4.2 min D 8.4 min


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