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] By: Sunday|Published on: May 20|Categories: Physics WAEC| 0 comments A. 120s B. 570s C. 600s D. 836s Correct Answer: Option B B. 570s Users Also Read These:Calculate the time taken to heat 2kg of water from…A quantity of hot water at 100ºC is added to 400g of…Ice of mass 10g at 5ºC was completely converted to…Calculate the heat energy required to vaporize 50g…2kg of water is heated with a heating coil which…SEE ALSO An elastic string of force constant 200N m-1 is stretched through 0.8m within its elastic limit. Calculate the energy stored in the string.