Question

Which uses more energy, 800W air conditioner operated for 5 full days or 600W air conditioner operated for 7 days. What is the cost of the energy(in both the cases) to operate it at Rs.5.00 per kWh?

Answer 1

Answer:

For example if the power rating of AC is 1000 W and operated for 12 hours, then we will simply multiply time and power to calculate the energy consumption.

Energy consumption (E)=power * time

E=1000* 12

E= 12000 Watt-hour.

But in real case, compressor is not in operation for all the time and fans only rotating. In that time, whether load will take same current (same power) or not. If not what is the method to calculate energy?

Explanation:

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Answer 2

Answer:

600W air conditioner operated for 7 days

Explanation:

800Wair conditioner operated for 5days=

800x5=4000

600W air conditioner operated for 7 days=

600Wx7=4200

therefore,600W air conditioner operated for 7 daysuses more energy