Physics-
General
Easy

Question

When a system is taken from state i to a state f along path if, Q equals 50 J and W equals 20 J. Along path if, Q equals 35 J. If W equals negative 13 J for the curved return path f i, Q for this path is

  1. 33 J    
  2. 23 J    
  3. – 7 J    
  4. – 43 J    

The correct answer is: – 43 J

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