An electric kettle takes 4 A current at ...

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`

12.6 min

4.2 min

6.3 min

8.4 min

Text Solution

Verified by Experts

The correct Answer is:

`E=Vit=msDeltatheta`
`220xx4xxt=1xx4200(100-20)`
`t=381.85=6.3min`

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