engineering recuitment UPPSC AE Mock Test 2024 Thermodynamics First Law of Thermodynamics

A 2 kW electric resistance heater submerged in 5 kg water is turned on and kept on for 10 min. During the process 300 kJ of heat is lost from the water the temperature rise of water is

1
57.4°C
2
71.8°C
3
43.1°C
4
180°C
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