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An ideal gas is taken through the cycle Arightwards arrowBrightwards arrowCrightwards arrowA as shown in the figure, If the net heat supplied to the gas in the cycle is 5 text end text J, the work done by the gas in the process Crightwards arrowA is

  1. - 5 text end text J    
  2. negative 10 text end text J    
  3. negative 15 text end text J    
  4. - 20 text end text J    

The correct answer is: - 5 text end text J

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