railway RRB JE (CBT I + CBT II) Mock Test 2024 Thermodynamics First Law of Thermodynamics

The change in internal energy of the system, if the heat supplied to the system is 63 kJ and the work done by the system is 100 kJ, is:

1

– 37 kJ

2

– 163 k

3

+ 37 kJ

4

+ 163 kJ

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