Physics-
General
Easy

Question

A student records capital delta Q comma capital delta U & capital delta W for a thermodynamic cycle A rightwards arrow B rightwards arrow C rightwards arrow A. Certain entries are missing. Find correct entry in following options.

  1. W subscript B C end subscript equals negative 70 text end text J    
  2. capital delta Q subscript C A end subscript equals 130 text end text J    
  3. capital delta U subscript A B end subscript equals 190 text end text J    
  4. capital delta U subscript C A end subscript equals negative 160 text end text J    

The correct answer is: capital delta U subscript C A end subscript equals negative 160 text end text J

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