Calculate the power rating of an immersion heater used for 10 minutes to increase the temperature of 10kg of water by 15K. (Specific heat capacity of water = 4200 J l-1K-1) by Sunday | Aug 27 | Physics WAEC | 0 comments A. 1,050W B. 16,800W C. 18,060W D. 20,160W Correct Answer: Option A – 1,050W Users Also Read These:A 50W electric heater is used to heat a metal block…A piece of substance of specific heat capacity…0.5kg of water at 10ºC is completely converted to…An immersion heater is rated 120W. How long does it…A 90W immersion heater is used to supply energy for…