Physics WAEC

How long will it take to heat 3kg of water from 28°C to 88°C in an electric kettle taking 6A from a 220V supply? [specific heat capacity of water = 4180 J kg-1K-1]

A. 120s
B. 570s
C. 600s
D. 836s

Correct Answer: Option B

B. 570s

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6 years ago

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