An electric kettle of `1200W`has 1 kg water at `20^@C`. The water equivalent of the kettle is `500g`. The time required to heat

An electric kettle of `1200W`has 1 kg water at `20^@C`. The water equivalent of the kettle is `500g`. The time required to heat water from `20^(@) to 100^(@)C` will be (specific heat of water = `4200 J//kg^(@)C)`.
A. 5min
B. 6 min
C. 7 min
D. 8min

An electric kettle of `1200W`has 1 kg water at `20^@C`. The water equivalent of the kettle is `500g`. The time required to heat water from `20^(@) to

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