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 400W, 220V is used to heat…An electric heater rated 220V; 1000W is immersed…2kg of water is heated with a heating coil which…An immersion heater rated 2.0A; 240V is used to boil…A 50W electric heater is used to heat a metal block…