1.

Water at 27°C is heated in an electric geyser of capacity 2 kW. If the geyser is filled with 20 L of water and heated for a duration of 20 minutes, find the temperature of water neglecting all the heat losses, assuming pressure inside the geyser as constant. (Take specific heat of the water as 5 kJ/kg)

A. 72°C
B. 51°C
C. 65°C
D. 40°C
Answer» C. 65°C


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