A heating coil of resistance 4ohm and operates at 220V AC.If the coil is immersed in an insulated container holding 20 kg of water for 5 minutes,what will be the increase of temperature of water? Assume that 100% heat is observed by water.
A 43.21°C
B 49.25°C
C 46.25°C
D 45.50°C
Solution
Correct Answer: Option A