17. A household refrigerator is maintained at a temperature of 2C. Every time the door is...

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17. A household refrigerator is maintained at a temperature of 2C. Every time the door is opened, warm material is placed inside, introducing an average of 420 kJ, but making only a small change in the temperature of the refrigerator. The door is opened 20 times a day, and the refrigerator operates at 15% of the ideal COP. The cost of work is Rs. 2.50 per kWh. What is the monthly bill for this refrigerator? The atmosphere is at 30C. 17. A household refrigerator is maintained at a temperature of 2C. Every time the door is opened, warm material is placed inside, introducing an average of 420 kJ, but making only a small change in the temperature of the refrigerator. The door is opened 20 times a day, and the refrigerator operates at 15% of the ideal COP. The cost of work is Rs. 2.50 per kWh. What is the monthly bill for this refrigerator? The atmosphere is at 30C.

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The question involves calculating the monthly electricity bill for a refrigerator based on given ene... View the full answer