NEET Physics Current Electricity Questions Solved

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

(a) 6.3 min

(b) 8.4 min

(c) 12.6 min

(d) 4.2 min

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