An immersion heater is rated 120W. How long does it take the heater to raise the temperature of 1.2kg of water by 15°C. (Assuming heat lost to the surrounding is negligible. Specific heat capacity of water = 4200 Jkg‾¹K‾¹C) by Sunday | May 23 | Physics WAEC | 0 comments A. 65.0 minutes B. 60.0 minutes C. 52.5 minutes D. 10.5 minutes Correct Answer: Option D C. 52.5 minutes Users Also Read These:An immersion heater rated 2.0A; 240V is used to boil…Calculate the heat energy required to vaporize 50g…Heat is supplied uniformly at the rate of 100W to…Calculate the energy required to vapourize 50g of…A 50W electric heater is used to heat a metal block…