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An electric kettle takes `4 A` current at `220 V`. How much time will it take to boil `1 kg` of wate from temperature `20^(@)C`? The temperature of boiling water is `100^(@)C`
A. 12. 6min
B. 4.2min
C. 6.3min
D. 8.4min

1 Answer

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Best answer
` (4) (220)t=1000xx(100-20)(4.2)rArrt=6.3` min

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