The Heating Coil of a Hot Water Heater Has a Resistance

The heating coil of a hot water heater has a resistance of 17 Ω and operates at 300 V.How long a time is required to raise the temperature of 115 kg of water from 18°C to 75°C? (The specific heat for water = 10³ cal/kg⋅°C and 1.0 cal = 4.186 J) .

A) 1.5 h
B) 1.9 h
C) 0.45 h
D) 1.4 h
E) 0.50 h